Overall: 2644/3331 fields covered

ADC1

0x40012400: Analog to digital converter

77/81 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 SR
0x4 CR1
0x8 CR2
0xc SMPR1
0x10 SMPR2
0x14 JOFR1
0x18 JOFR2
0x1c JOFR3
0x20 JOFR4
0x24 HTR
0x28 LTR
0x2c SQR1
0x30 SQR2
0x34 SQR3
0x38 JSQR
0x3c JDR1
0x40 JDR2
0x44 JDR3
0x48 JDR4
0x4c DR

SR

status register

Offset: 0x0, reset: 0x00000000, access: read-write

5/5 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
STRT
rw 		JSTRT
rw 		JEOC
rw 		EOC
rw 		AWD
rw
Toggle Fields

AWD

Bit 0: Analog watchdog flag.

Allowed values:
0: NoEvent: No analog watchdog event occurred
1: Event: Analog watchdog event occurred

EOC

Bit 1: Regular channel end of conversion.

Allowed values:
0: NotComplete: Conversion is not complete
1: Complete: Conversion complete

JEOC

Bit 2: Injected channel end of conversion.

Allowed values:
0: NotComplete: Conversion is not complete
1: Complete: Conversion complete

JSTRT

Bit 3: Injected channel start flag.

Allowed values:
0: NotStarted: No injected group conversion started
1: Started: Injected group conversion has started

STRT

Bit 4: Regular channel start flag.

Allowed values:
0: NotStarted: No regular channel conversion started
1: Started: Regular channel conversion has started

CR1

control register 1

Offset: 0x4, reset: 0x00000000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
AWDEN
rw 		JAWDEN
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DISCNUM
rw 		JDISCEN
rw 		DISCEN
rw 		JAUTO
rw 		AWDSGL
rw 		SCAN
rw 		JEOCIE
rw 		AWDIE
rw 		EOCIE
rw 		AWDCH
rw
Toggle Fields

AWDCH

Bits 0-4: Analog watchdog channel select bits.

Allowed values: 0x0-0x11

EOCIE

Bit 5: Interrupt enable for EOC.

Allowed values:
0: Disabled: EOC interrupt disabled
1: Enabled: EOC interrupt enabled. An interrupt is generated when the EOC bit is set

AWDIE

Bit 6: Analog watchdog interrupt enable.

Allowed values:
0: Disabled: Analog watchdog interrupt disabled
1: Enabled: Analog watchdog interrupt enabled

JEOCIE

Bit 7: Interrupt enable for injected channels.

Allowed values:
0: Disabled: JEOC interrupt disabled
1: Enabled: JEOC interrupt enabled. An interrupt is generated when the JEOC bit is set

SCAN

Bit 8: Scan mode.

Allowed values:
0: Disabled: Scan mode disabled
1: Enabled: Scan mode enabled

AWDSGL

Bit 9: Enable the watchdog on a single channel in scan mode.

Allowed values:
0: All: Analog watchdog enabled on all channels
1: Single: Analog watchdog enabled on a single channel

JAUTO

Bit 10: Automatic injected group conversion.

Allowed values:
0: Disabled: Automatic injected group conversion disabled
1: Enabled: Automatic injected group conversion enabled

DISCEN

Bit 11: Discontinuous mode on regular channels.

Allowed values:
0: Disabled: Discontinuous mode on regular channels disabled
1: Enabled: Discontinuous mode on regular channels enabled

JDISCEN

Bit 12: Discontinuous mode on injected channels.

Allowed values:
0: Disabled: Discontinuous mode on injected channels disabled
1: Enabled: Discontinuous mode on injected channels enabled

DISCNUM

Bits 13-15: Discontinuous mode channel count.

Allowed values: 0x0-0x7

JAWDEN

Bit 22: Analog watchdog enable on injected channels.

Allowed values:
0: Disabled: Analog watchdog disabled on injected channels
1: Enabled: Analog watchdog enabled on injected channels

AWDEN

Bit 23: Analog watchdog enable on regular channels.

Allowed values:
0: Disabled: Analog watchdog disabled on regular channels
1: Enabled: Analog watchdog enabled on regular channels

CR2

control register 2

Offset: 0x8, reset: 0x00000000, access: read-write

13/13 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
TSVREFE
rw 		SWSTART
rw 		JSWSTART
rw 		EXTTRIG
rw 		EXTSEL
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
JEXTTRIG
rw 		JEXTSEL
rw 		ALIGN
rw 		DMA
rw 		RSTCAL
rw 		CAL
rw 		CONT
rw 		ADON
rw
Toggle Fields

ADON

Bit 0: A/D converter ON / OFF.

Allowed values:
0: Disabled: Disable ADC conversion/calibration and go to power down mode
1: Enabled: Enable ADC and to start conversion

CONT

Bit 1: Continuous conversion.

Allowed values:
0: Single: Single conversion mode
1: Continuous: Continuous conversion mode

CAL

Bit 2: A/D calibration.

Allowed values:
0: Complete: Calibration completed
1: NotComplete: Calibrating

RSTCAL

Bit 3: Reset calibration.

Allowed values:
0: Initialized: Calibration register initialized
1: NotInitialized: Initializing calibration register

DMA

Bit 8: Direct memory access mode.

Allowed values:
0: Disabled: DMA mode disabled
1: Enabled: DMA mode enabled

ALIGN

Bit 11: Data alignment.

Allowed values:
0: Right: Right Alignment
1: Left: Left Alignment

JEXTSEL

Bits 12-14: External event select for injected group.

Allowed values:
0: Tim1Trgo: Timer 1 TRGO event
1: Tim1Cc4: Timer 1 CC4 event
2: Tim2Trgo: Timer 2 TRGO event
3: Tim2Cc1: Timer 2 CC1 event
4: Tim3Cc4: Timer 3 CC4 event
5: Tim4Trgo: Timer 4 TRGO event
6: Exti15: EXTI line15/TIM8_CC4 event (TIM8_CC4 is available only in high-density and XL-density devices)
7: Jswstart: JSWSTART

JEXTTRIG

Bit 15: External trigger conversion mode for injected channels.

Allowed values:
0: Disabled: Conversion on external event disabled
1: Enabled: Conversion on external event enabled

EXTSEL

Bits 17-19: External event select for regular group.

Allowed values:
0: Tim1Cc1: Timer 1 CC1 event
1: Tim1Cc2: Timer 1 CC2 event
2: Tim1Cc3: Timer 1 CC3 event
3: Tim2Cc2: Timer 2 CC2 event
4: Tim3Trgo: Timer 3 TRGO event
5: Tim4Cc4: Timer 4 CC4 event
6: Exti11: EXTI line 11/TIM8_TRGO event (TIM8_TRGO is available only in high-density and XL-density devices)
7: Swstart: SWSTART

EXTTRIG

Bit 20: External trigger conversion mode for regular channels.

Allowed values:
0: Disabled: Conversion on external event disabled
1: Enabled: Conversion on external event enabled

JSWSTART

Bit 21: Start conversion of injected channels.

Allowed values:
0: Started: Reset state
1: NotStarted: Starting conversion of injected channels

SWSTART

Bit 22: Start conversion of regular channels.

Allowed values:
0: Started: Reset state
1: NotStarted: Starting conversion of regular channels

TSVREFE

Bit 23: Temperature sensor and VREFINT enable.

Allowed values:
0: Disabled: Temperature sensor and V_REFINT channel disabled
1: Enabled: Temperature sensor and V_REFINT channel enabled

SMPR1

sample time register 1

Offset: 0xc, reset: 0x00000000, access: read-write

8/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
SMP17
rw 		SMP16
rw 		SMP15
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SMP15
rw 		SMP14
rw 		SMP13
rw 		SMP12
rw 		SMP11
rw 		SMP10
rw
Toggle Fields

SMP10

Bits 0-2: Channel 10 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMP11

Bits 3-5: Channel 11 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMP12

Bits 6-8: Channel 12 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMP13

Bits 9-11: Channel 13 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMP14

Bits 12-14: Channel 14 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMP15

Bits 15-17: Channel 15 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMP16

Bits 18-20: Channel 16 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMP17

Bits 21-23: Channel 17 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMPR2

sample time register 2

Offset: 0x10, reset: 0x00000000, access: read-write

10/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
SMP9
rw 		SMP8
rw 		SMP7
rw 		SMP6
rw 		SMP5
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SMP5
rw 		SMP4
rw 		SMP3
rw 		SMP2
rw 		SMP1
rw 		SMP0
rw
Toggle Fields

SMP0

Bits 0-2: Channel 0 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMP1

Bits 3-5: Channel 1 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMP2

Bits 6-8: Channel 2 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMP3

Bits 9-11: Channel 3 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMP4

Bits 12-14: Channel 4 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMP5

Bits 15-17: Channel 5 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMP6

Bits 18-20: Channel 6 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMP7

Bits 21-23: Channel 7 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMP8

Bits 24-26: Channel 8 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

SMP9

Bits 27-29: Channel 9 sample time selection.

Allowed values:
0: Cycles1_5: 1.5 ADC clock cycles
1: Cycles7_5: 7.5 ADC clock cycles
2: Cycles13_5: 13.5 ADC clock cycles
3: Cycles28_5: 28.5 ADC clock cycles
4: Cycles41_5: 41.5 ADC clock cycles
5: Cycles55_5: 55.5 ADC clock cycles
6: Cycles71_5: 71.5 ADC clock cycles
7: Cycles239_5: 239.5 ADC clock cycles

JOFR1

injected channel data offset register x

Offset: 0x14, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
JOFFSET1
rw
Toggle Fields

JOFFSET1

Bits 0-11: Data offset for injected channel 1.

JOFR2

injected channel data offset register x

Offset: 0x18, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
JOFFSET2
rw
Toggle Fields

JOFFSET2

Bits 0-11: Data offset for injected channel 2.

JOFR3

injected channel data offset register x

Offset: 0x1c, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
JOFFSET3
rw
Toggle Fields

JOFFSET3

Bits 0-11: Data offset for injected channel 3.

JOFR4

injected channel data offset register x

Offset: 0x20, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
JOFFSET4
rw
Toggle Fields

JOFFSET4

Bits 0-11: Data offset for injected channel 4.

HTR

watchdog higher threshold register

Offset: 0x24, reset: 0x00000FFF, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
HT
rw
Toggle Fields

HT

Bits 0-11: Analog watchdog higher threshold.

Allowed values: 0x0-0xfff

LTR

watchdog lower threshold register

Offset: 0x28, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LT
rw
Toggle Fields

LT

Bits 0-11: Analog watchdog lower threshold.

Allowed values: 0x0-0xfff

SQR1

regular sequence register 1

Offset: 0x2c, reset: 0x00000000, access: read-write

5/5 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
L
rw 		SQ16
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SQ16
rw 		SQ15
rw 		SQ14
rw 		SQ13
rw
Toggle Fields

SQ13

Bits 0-4: 13th conversion in regular sequence.

Allowed values: 0x0-0x11

SQ14

Bits 5-9: 14th conversion in regular sequence.

Allowed values: 0x0-0x11

SQ15

Bits 10-14: 15th conversion in regular sequence.

Allowed values: 0x0-0x11

SQ16

Bits 15-19: 16th conversion in regular sequence.

Allowed values: 0x0-0x11

L

Bits 20-23: Regular channel sequence length.

Allowed values: 0x0-0xf

SQR2

regular sequence register 2

Offset: 0x30, reset: 0x00000000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
SQ12
rw 		SQ11
rw 		SQ10
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SQ10
rw 		SQ9
rw 		SQ8
rw 		SQ7
rw
Toggle Fields

SQ7

Bits 0-4: 7th conversion in regular sequence.

Allowed values: 0x0-0x11

SQ8

Bits 5-9: 8th conversion in regular sequence.

Allowed values: 0x0-0x11

SQ9

Bits 10-14: 9th conversion in regular sequence.

Allowed values: 0x0-0x11

SQ10

Bits 15-19: 10th conversion in regular sequence.

Allowed values: 0x0-0x11

SQ11

Bits 20-24: 11th conversion in regular sequence.

Allowed values: 0x0-0x11

SQ12

Bits 25-29: 12th conversion in regular sequence.

Allowed values: 0x0-0x11

SQR3

regular sequence register 3

Offset: 0x34, reset: 0x00000000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
SQ6
rw 		SQ5
rw 		SQ4
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SQ4
rw 		SQ3
rw 		SQ2
rw 		SQ1
rw
Toggle Fields

SQ1

Bits 0-4: 1st conversion in regular sequence.

Allowed values: 0x0-0x11

SQ2

Bits 5-9: 2nd conversion in regular sequence.

Allowed values: 0x0-0x11

SQ3

Bits 10-14: 3rd conversion in regular sequence.

Allowed values: 0x0-0x11

SQ4

Bits 15-19: 4th conversion in regular sequence.

Allowed values: 0x0-0x11

SQ5

Bits 20-24: 5th conversion in regular sequence.

Allowed values: 0x0-0x11

SQ6

Bits 25-29: 6th conversion in regular sequence.

Allowed values: 0x0-0x11

JSQR

injected sequence register

Offset: 0x38, reset: 0x00000000, access: read-write

5/5 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
JL
rw 		JSQ4
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
JSQ4
rw 		JSQ3
rw 		JSQ2
rw 		JSQ1
rw
Toggle Fields

JSQ1

Bits 0-4: 1st conversion in injected sequence.

Allowed values: 0x0-0x11

JSQ2

Bits 5-9: 2nd conversion in injected sequence.

Allowed values: 0x0-0x11

JSQ3

Bits 10-14: 3rd conversion in injected sequence.

Allowed values: 0x0-0x11

JSQ4

Bits 15-19: 4th conversion in injected sequence.

Allowed values: 0x0-0x11

JL

Bits 20-21: Injected sequence length.

Allowed values: 0x0-0x3

JDR1

injected data register x

Offset: 0x3c, reset: 0x00000000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
JDATA
r
Toggle Fields

JDATA

Bits 0-15: Injected data.

JDR2

injected data register x

Offset: 0x40, reset: 0x00000000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
JDATA
r
Toggle Fields

JDATA

Bits 0-15: Injected data.

JDR3

injected data register x

Offset: 0x44, reset: 0x00000000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
JDATA
r
Toggle Fields

JDATA

Bits 0-15: Injected data.

JDR4

injected data register x

Offset: 0x48, reset: 0x00000000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
JDATA
r
Toggle Fields

JDATA

Bits 0-15: Injected data.

DR

regular data register

Offset: 0x4c, reset: 0x00000000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DATA
r
Toggle Fields

DATA

Bits 0-15: Regular data.

AFIO

0x40010000: Alternate function I/O

0/42 fields covered. Toggle Registers

Show register map

EVCR

Event Control Register (AFIO_EVCR)

Offset: 0x0, reset: 0x00000000, access: read-write

0/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
EVOE
rw 		PORT
rw 		PIN
rw
Toggle Fields

PIN

Bits 0-3: Pin selection.

PORT

Bits 4-6: Port selection.

EVOE

Bit 7: Event Output Enable.

MAPR

AF remap and debug I/O configuration register (AFIO_MAPR)

Offset: 0x4, reset: 0x00000000, access: Unspecified

0/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
SWJ_CFG
w 		TIM5CH4_IREMAP
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PD01_REMAP
rw 		TIM4_REMAP
rw 		TIM3_REMAP
rw 		TIM2_REMAP
rw 		TIM1_REMAP
rw 		USART3_REMAP
rw 		USART2_REMAP
rw 		USART1_REMAP
rw 		I2C1_REMAP
rw 		SPI1_REMAP
rw
Toggle Fields

SPI1_REMAP

Bit 0: SPI1 remapping.

I2C1_REMAP

Bit 1: I2C1 remapping.

USART1_REMAP

Bit 2: USART1 remapping.

USART2_REMAP

Bit 3: USART2 remapping.

USART3_REMAP

Bits 4-5: USART3 remapping.

TIM1_REMAP

Bits 6-7: TIM1 remapping.

TIM2_REMAP

Bits 8-9: TIM2 remapping.

TIM3_REMAP

Bits 10-11: TIM3 remapping.

TIM4_REMAP

Bit 12: TIM4 remapping.

PD01_REMAP

Bit 15: Port D0/Port D1 mapping on OSCIN/OSCOUT.

TIM5CH4_IREMAP

Bit 16: Set and cleared by software.

SWJ_CFG

Bits 24-26: Serial wire JTAG configuration.

EXTICR1

External interrupt configuration register 1 (AFIO_EXTICR1)

Offset: 0x8, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
EXTI3
rw 		EXTI2
rw 		EXTI1
rw 		EXTI0
rw
Toggle Fields

EXTI0

Bits 0-3: EXTI0 configuration.

EXTI1

Bits 4-7: EXTI1 configuration.

EXTI2

Bits 8-11: EXTI2 configuration.

EXTI3

Bits 12-15: EXTI3 configuration.

EXTICR2

External interrupt configuration register 2 (AFIO_EXTICR2)

Offset: 0xc, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
EXTI7
rw 		EXTI6
rw 		EXTI5
rw 		EXTI4
rw
Toggle Fields

EXTI4

Bits 0-3: EXTI4 configuration.

EXTI5

Bits 4-7: EXTI5 configuration.

EXTI6

Bits 8-11: EXTI6 configuration.

EXTI7

Bits 12-15: EXTI7 configuration.

EXTICR3

External interrupt configuration register 3 (AFIO_EXTICR3)

Offset: 0x10, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
EXTI11
rw 		EXTI10
rw 		EXTI9
rw 		EXTI8
rw
Toggle Fields

EXTI8

Bits 0-3: EXTI8 configuration.

EXTI9

Bits 4-7: EXTI9 configuration.

EXTI10

Bits 8-11: EXTI10 configuration.

EXTI11

Bits 12-15: EXTI11 configuration.

EXTICR4

External interrupt configuration register 4 (AFIO_EXTICR4)

Offset: 0x14, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
EXTI15
rw 		EXTI14
rw 		EXTI13
rw 		EXTI12
rw
Toggle Fields

EXTI12

Bits 0-3: EXTI12 configuration.

EXTI13

Bits 4-7: EXTI13 configuration.

EXTI14

Bits 8-11: EXTI14 configuration.

EXTI15

Bits 12-15: EXTI15 configuration.

MAPR2

AF remap and debug I/O configuration register

Offset: 0x1c, reset: 0x00000000, access: read-write

0/11 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MISC_REMAP
rw 		TIM12_REMAP
rw 		TIM67_DAC_DMA_REMAP
rw 		FSMC_NADV
rw 		TIM14_REMAP
rw 		TIM13_REMAP
rw 		TIM1_DMA_REMAP
rw 		CEC_REMAP
rw 		TIM17_REMAP
rw 		TIM16_REMAP
rw 		TIM15_REMAP
rw
Toggle Fields

TIM15_REMAP

Bit 0: TIM15 remapping.

TIM16_REMAP

Bit 1: TIM16 remapping.

TIM17_REMAP

Bit 2: TIM17 remapping.

CEC_REMAP

Bit 3: CEC remapping.

TIM1_DMA_REMAP

Bit 4: TIM1 DMA remapping.

TIM13_REMAP

Bit 8: TIM13 remapping.

TIM14_REMAP

Bit 9: TIM14 remapping.

FSMC_NADV

Bit 10: NADV connect/disconnect.

TIM67_DAC_DMA_REMAP

Bit 11: TIM67_DAC DMA remapping.

TIM12_REMAP

Bit 12: TIM12 remapping.

MISC_REMAP

Bit 13: Miscellaneous features remapping.

BKP

0x40006c04: Backup registers

52/53 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 DR[1]
0x4 DR[2]
0x8 DR[3]
0xc DR[4]
0x10 DR[5]
0x14 DR[6]
0x18 DR[7]
0x1c DR[8]
0x20 DR[9]
0x24 DR[10]
0x28 RTCCR
0x2c CR
0x30 CSR
0x3c BKP_DR[11]
0x40 BKP_DR[12]
0x44 BKP_DR[13]
0x48 BKP_DR[14]
0x4c BKP_DR[15]
0x50 BKP_DR[16]
0x54 BKP_DR[17]
0x58 BKP_DR[18]
0x5c BKP_DR[19]
0x60 BKP_DR[20]
0x64 BKP_DR[21]
0x68 BKP_DR[22]
0x6c BKP_DR[23]
0x70 BKP_DR[24]
0x74 BKP_DR[25]
0x78 BKP_DR[26]
0x7c BKP_DR[27]
0x80 BKP_DR[28]
0x84 BKP_DR[29]
0x88 BKP_DR[30]
0x8c BKP_DR[31]
0x90 BKP_DR[32]
0x94 BKP_DR[33]
0x98 BKP_DR[34]
0x9c BKP_DR[35]
0xa0 BKP_DR[36]
0xa4 BKP_DR[37]
0xa8 BKP_DR[38]
0xac BKP_DR[39]
0xb0 BKP_DR[40]
0xb4 BKP_DR[41]
0xb8 BKP_DR[42]

DR[1]

Backup data register (BKP_DR)

Offset: 0x0, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

DR[2]

Backup data register (BKP_DR)

Offset: 0x4, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

DR[3]

Backup data register (BKP_DR)

Offset: 0x8, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

DR[4]

Backup data register (BKP_DR)

Offset: 0xc, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

DR[5]

Backup data register (BKP_DR)

Offset: 0x10, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

DR[6]

Backup data register (BKP_DR)

Offset: 0x14, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

DR[7]

Backup data register (BKP_DR)

Offset: 0x18, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

DR[8]

Backup data register (BKP_DR)

Offset: 0x1c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

DR[9]

Backup data register (BKP_DR)

Offset: 0x20, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

DR[10]

Backup data register (BKP_DR)

Offset: 0x24, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

RTCCR

RTC clock calibration register (BKP_RTCCR)

Offset: 0x28, reset: 0x00000000, access: read-write

3/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ASOS
rw 		ASOE
rw 		CCO
rw 		CAL
rw
Toggle Fields

CAL

Bits 0-6: Calibration value.

Allowed values: 0x0-0x79

CCO

Bit 7: Calibration Clock Output.

ASOE

Bit 8: Alarm or second output enable.

Allowed values:
0: Disabled: Disabled
1: Enabled: Setting this bit outputs either the RTC Alarm pulse signal or the Second pulse signal on the TAMPER pin depending on the ASOS bit

ASOS

Bit 9: Alarm or second output selection.

Allowed values:
0: Alarm: RTC Alarm pulse output selected
1: Second: RTC Second pulse output selected

CR

Backup control register (BKP_CR)

Offset: 0x2c, reset: 0x00000000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TPAL
rw 		TPE
rw
Toggle Fields

TPE

Bit 0: Tamper pin enable.

Allowed values:
0: General: The TAMPER pin is free for general purpose I/O
1: Alternate: Tamper alternate I/O function is activated

TPAL

Bit 1: Tamper pin active level.

Allowed values:
0: High: A high level on the TAMPER pin resets all data backup registers (if TPE bit is set)
1: Low: A low level on the TAMPER pin resets all data backup registers (if TPE bit is set)

CSR

BKP_CSR control/status register (BKP_CSR)

Offset: 0x30, reset: 0x00000000, access: Unspecified

5/5 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TIF
r 		TEF
r 		TPIE
rw 		CTI
w 		CTE
w
Toggle Fields

CTE

Bit 0: Clear Tamper event.

Allowed values:
1: Reset: Reset the TEF Tamper event flag (and the Tamper detector)

CTI

Bit 1: Clear Tamper Interrupt.

Allowed values:
1: Clear: Clear the Tamper interrupt and the TIF Tamper interrupt flag

TPIE

Bit 2: Tamper Pin interrupt enable.

Allowed values:
0: Disabled: Tamper interrupt disabled
1: Enabled: Tamper interrupt enabled (the TPE bit must also be set in the BKP_CR register

TEF

Bit 8: Tamper Event Flag.

TIF

Bit 9: Tamper Interrupt Flag.

BKP_DR[11]

Backup data register (BKP_DR)

Offset: 0x3c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[12]

Backup data register (BKP_DR)

Offset: 0x40, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[13]

Backup data register (BKP_DR)

Offset: 0x44, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[14]

Backup data register (BKP_DR)

Offset: 0x48, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[15]

Backup data register (BKP_DR)

Offset: 0x4c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[16]

Backup data register (BKP_DR)

Offset: 0x50, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[17]

Backup data register (BKP_DR)

Offset: 0x54, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[18]

Backup data register (BKP_DR)

Offset: 0x58, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[19]

Backup data register (BKP_DR)

Offset: 0x5c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[20]

Backup data register (BKP_DR)

Offset: 0x60, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[21]

Backup data register (BKP_DR)

Offset: 0x64, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[22]

Backup data register (BKP_DR)

Offset: 0x68, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[23]

Backup data register (BKP_DR)

Offset: 0x6c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[24]

Backup data register (BKP_DR)

Offset: 0x70, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[25]

Backup data register (BKP_DR)

Offset: 0x74, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[26]

Backup data register (BKP_DR)

Offset: 0x78, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[27]

Backup data register (BKP_DR)

Offset: 0x7c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[28]

Backup data register (BKP_DR)

Offset: 0x80, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[29]

Backup data register (BKP_DR)

Offset: 0x84, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[30]

Backup data register (BKP_DR)

Offset: 0x88, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[31]

Backup data register (BKP_DR)

Offset: 0x8c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[32]

Backup data register (BKP_DR)

Offset: 0x90, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[33]

Backup data register (BKP_DR)

Offset: 0x94, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[34]

Backup data register (BKP_DR)

Offset: 0x98, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[35]

Backup data register (BKP_DR)

Offset: 0x9c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[36]

Backup data register (BKP_DR)

Offset: 0xa0, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[37]

Backup data register (BKP_DR)

Offset: 0xa4, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[38]

Backup data register (BKP_DR)

Offset: 0xa8, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[39]

Backup data register (BKP_DR)

Offset: 0xac, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[40]

Backup data register (BKP_DR)

Offset: 0xb0, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[41]

Backup data register (BKP_DR)

Offset: 0xb4, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

BKP_DR[42]

Backup data register (BKP_DR)

Offset: 0xb8, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D
rw
Toggle Fields

D

Bits 0-15: Backup data.

Allowed values: 0x0-0xffff

CEC

0x40007800: HDMI-CEC controller

8/23 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CFGR
0x4 OAR
0x8 PRES
0xc ESR
0x10 CSR
0x14 TXD
0x18 RXD

CFGR

configuration register

Offset: 0x0, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BPEM
rw 		BTEM
rw 		IE
rw 		PE
rw
Toggle Fields

PE

Bit 0: Peripheral enable.

IE

Bit 1: Interrupt enable.

BTEM

Bit 2: Bit timing error mode.

BPEM

Bit 3: Bit period error mode.

OAR

CEC own address register

Offset: 0x4, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OA
rw
Toggle Fields

OA

Bits 0-3: Own address.

PRES

Rx Data Register

Offset: 0x8, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PRESC
rw
Toggle Fields

PRESC

Bits 0-13: CEC Rx Data Register.

ESR

CEC error status register

Offset: 0xc, reset: 0x00000000, access: read-only

7/7 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TBTFE
r 		LINE
r 		ACKE
r 		SBE
r 		RBTFE
r 		BPE
r 		BTE
r
Toggle Fields

BTE

Bit 0: Bit timing error.

BPE

Bit 1: Bit period error.

RBTFE

Bit 2: Rx block transfer finished error.

SBE

Bit 3: Start bit error.

ACKE

Bit 4: Block acknowledge error.

LINE

Bit 5: Line error.

TBTFE

Bit 6: Tx block transfer finished error.

CSR

CEC control and status register

Offset: 0x10, reset: 0x00000000, access: read-write

0/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RBTF
rw 		RERR
rw 		REOM
rw 		RSOM
rw 		TBTRF
rw 		TERR
rw 		TEOM
rw 		TSOM
rw
Toggle Fields

TSOM

Bit 0: Tx start of message.

TEOM

Bit 1: Tx end of message.

TERR

Bit 2: Tx error.

TBTRF

Bit 3: Tx byte transfer request or block transfer finished.

RSOM

Bit 4: Rx start of message.

REOM

Bit 5: Rx end of message.

RERR

Bit 6: Rx error.

RBTF

Bit 7: Rx byte/block transfer finished.

TXD

CEC Tx data register

Offset: 0x14, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TXD
rw
Toggle Fields

TXD

Bits 0-7: Tx Data register.

RXD

CEC Rx data register

Offset: 0x18, reset: 0x00000000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RXD
r
Toggle Fields

RXD

Bits 0-7: Rx data.

CRC

0x40023000: CRC calculation unit

3/3 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 DR
0x4 IDR
0x8 CR

DR

Data register

Offset: 0x0, reset: 0xFFFFFFFF, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
DR
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DR
rw
Toggle Fields

DR

Bits 0-31: Data Register.

Allowed values: 0x0-0xffffffff

IDR

Independent Data register

Offset: 0x4, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IDR
rw
Toggle Fields

IDR

Bits 0-7: Independent Data register.

Allowed values: 0x0-0xff

CR

Control register

Offset: 0x8, reset: 0x00000000, access: write-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RESET
w
Toggle Fields

RESET

Bit 0: Reset bit.

Allowed values:
1: Reset: Resets the CRC calculation unit and sets the data register to 0xFFFF FFFF

DAC

0x40007400: Digital to analog converter

34/34 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR
0x4 SWTRIGR
0x8 DHR12R1
0xc DHR12L1
0x10 DHR8R1
0x14 DHR12R2
0x18 DHR12L2
0x1c DHR8R2
0x20 DHR12RD
0x24 DHR12LD
0x28 DHR8RD
0x2c DOR1
0x30 DOR2
0x34 SR

CR

Control register (DAC_CR)

Offset: 0x0, reset: 0x00000000, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
DMAUDRIE2
rw 		DMAEN2
rw 		MAMP2
rw 		WAVE2
rw 		TSEL2
rw 		TEN2
rw 		BOFF2
rw 		EN2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DMAUDRIE1
rw 		DMAEN1
rw 		MAMP1
rw 		WAVE1
rw 		TSEL1
rw 		TEN1
rw 		BOFF1
rw 		EN1
rw
Toggle Fields

EN1

Bit 0: DAC channel1 enable.

Allowed values:
0: Disabled: DAC channel X disabled
1: Enabled: DAC channel X enabled

BOFF1

Bit 1: DAC channel1 output buffer disable.

Allowed values:
0: Enabled: DAC channel X output buffer enabled
1: Disabled: DAC channel X output buffer disabled

TEN1

Bit 2: DAC channel1 trigger enable.

Allowed values:
0: Disabled: DAC channel X trigger disabled
1: Enabled: DAC channel X trigger enabled

TSEL1

Bits 3-5: DAC channel1 trigger selection.

Allowed values:
0: TIM6_TRGO: Timer 6 TRGO event
1: TIM3_TRGO: Timer 3 TRGO event
2: TIM7_TRGO: Timer 7 TRGO event
3: TIM15_TRGO: Timer 15 TRGO event
4: TIM2_TRGO: Timer 2 TRGO event
6: EXTI9: EXTI line9
7: SOFTWARE: Software trigger

WAVE1

Bits 6-7: DAC channel1 noise/triangle wave generation enable.

Allowed values:
0: Disabled: Wave generation disabled
1: Noise: Noise wave generation enabled
2: Triangle: Triangle wave generation enabled

MAMP1

Bits 8-11: DAC channel1 mask/amplitude selector.

Allowed values: 0x0-0xf

DMAEN1

Bit 12: DAC channel1 DMA enable.

Allowed values:
0: Disabled: DAC channel X DMA mode disabled
1: Enabled: DAC channel X DMA mode enabled

DMAUDRIE1

Bit 13: DAC channel1 DMA underrun interrupt enable.

Allowed values:
0: Disabled: DAC channel X DMA Underrun Interrupt disabled
1: Enabled: DAC channel X DMA Underrun Interrupt enabled

EN2

Bit 16: DAC channel2 enable.

Allowed values:
0: Disabled: DAC channel X disabled
1: Enabled: DAC channel X enabled

BOFF2

Bit 17: DAC channel2 output buffer disable.

Allowed values:
0: Enabled: DAC channel X output buffer enabled
1: Disabled: DAC channel X output buffer disabled

TEN2

Bit 18: DAC channel2 trigger enable.

Allowed values:
0: Disabled: DAC channel X trigger disabled
1: Enabled: DAC channel X trigger enabled

TSEL2

Bits 19-21: DAC channel2 trigger selection.

Allowed values:
0: TIM6_TRGO: Timer 6 TRGO event
1: TIM8_TRGO: Timer 8 TRGO event
2: TIM7_TRGO: Timer 7 TRGO event
3: TIM5_TRGO: Timer 5 TRGO event
4: TIM2_TRGO: Timer 2 TRGO event
5: TIM4_TRGO: Timer 4 TRGO event
6: EXTI9: EXTI line9
7: SOFTWARE: Software trigger

WAVE2

Bits 22-23: DAC channel2 noise/triangle wave generation enable.

Allowed values:
0: Disabled: Wave generation disabled
1: Noise: Noise wave generation enabled
2: Triangle: Triangle wave generation enabled

MAMP2

Bits 24-27: DAC channel2 mask/amplitude selector.

Allowed values: 0x0-0xf

DMAEN2

Bit 28: DAC channel2 DMA enable.

Allowed values:
0: Disabled: DAC channel X DMA mode disabled
1: Enabled: DAC channel X DMA mode enabled

DMAUDRIE2

Bit 29: DAC channel2 DMA underrun interrupt enable.

Allowed values:
0: Disabled: DAC channel X DMA Underrun Interrupt disabled
1: Enabled: DAC channel X DMA Underrun Interrupt enabled

SWTRIGR

DAC software trigger register (DAC_SWTRIGR)

Offset: 0x4, reset: 0x00000000, access: write-only

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SWTRIG2
w 		SWTRIG1
w
Toggle Fields

SWTRIG1

Bit 0: DAC channel1 software trigger.

Allowed values:
0: Disabled: DAC channel X software trigger disabled
1: Enabled: DAC channel X software trigger enabled

SWTRIG2

Bit 1: DAC channel2 software trigger.

Allowed values:
0: Disabled: DAC channel X software trigger disabled
1: Enabled: DAC channel X software trigger enabled

DHR12R1

DAC channel1 12-bit right-aligned data holding register(DAC_DHR12R1)

Offset: 0x8, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DACC1DHR
rw
Toggle Fields

DACC1DHR

Bits 0-11: DAC channel1 12-bit right-aligned data.

Allowed values: 0x0-0xfff

DHR12L1

DAC channel1 12-bit left aligned data holding register (DAC_DHR12L1)

Offset: 0xc, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DACC1DHR
rw
Toggle Fields

DACC1DHR

Bits 4-15: DAC channel1 12-bit left-aligned data.

Allowed values: 0x0-0xfff

DHR8R1

DAC channel1 8-bit right aligned data holding register (DAC_DHR8R1)

Offset: 0x10, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DACC1DHR
rw
Toggle Fields

DACC1DHR

Bits 0-7: DAC channel1 8-bit right-aligned data.

Allowed values: 0x0-0xff

DHR12R2

DAC channel2 12-bit right aligned data holding register (DAC_DHR12R2)

Offset: 0x14, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DACC2DHR
rw
Toggle Fields

DACC2DHR

Bits 0-11: DAC channel2 12-bit right-aligned data.

Allowed values: 0x0-0xfff

DHR12L2

DAC channel2 12-bit left aligned data holding register (DAC_DHR12L2)

Offset: 0x18, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DACC2DHR
rw
Toggle Fields

DACC2DHR

Bits 4-15: DAC channel2 12-bit left-aligned data.

Allowed values: 0x0-0xfff

DHR8R2

DAC channel2 8-bit right-aligned data holding register (DAC_DHR8R2)

Offset: 0x1c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DACC2DHR
rw
Toggle Fields

DACC2DHR

Bits 0-7: DAC channel2 8-bit right-aligned data.

Allowed values: 0x0-0xff

DHR12RD

Dual DAC 12-bit right-aligned data holding register (DAC_DHR12RD), Bits 31:28 Reserved, Bits 15:12 Reserved

Offset: 0x20, reset: 0x00000000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
DACC2DHR
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DACC1DHR
rw
Toggle Fields

DACC1DHR

Bits 0-11: DAC channel1 12-bit right-aligned data.

Allowed values: 0x0-0xfff

DACC2DHR

Bits 16-27: DAC channel2 12-bit right-aligned data.

Allowed values: 0x0-0xfff

DHR12LD

DUAL DAC 12-bit left aligned data holding register (DAC_DHR12LD), Bits 19:16 Reserved, Bits 3:0 Reserved

Offset: 0x24, reset: 0x00000000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
DACC2DHR
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DACC1DHR
rw
Toggle Fields

DACC1DHR

Bits 4-15: DAC channel1 12-bit left-aligned data.

Allowed values: 0x0-0xfff

DACC2DHR

Bits 20-31: DAC channel2 12-bit right-aligned data.

Allowed values: 0x0-0xfff

DHR8RD

DUAL DAC 8-bit right aligned data holding register (DAC_DHR8RD), Bits 31:16 Reserved

Offset: 0x28, reset: 0x00000000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DACC2DHR
rw 		DACC1DHR
rw
Toggle Fields

DACC1DHR

Bits 0-7: DAC channel1 8-bit right-aligned data.

Allowed values: 0x0-0xff

DACC2DHR

Bits 8-15: DAC channel2 8-bit right-aligned data.

Allowed values: 0x0-0xff

DOR1

DAC channel1 data output register (DAC_DOR1)

Offset: 0x2c, reset: 0x00000000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DACC1DOR
r
Toggle Fields

DACC1DOR

Bits 0-11: DAC channel1 data output.

DOR2

DAC channel2 data output register (DAC_DOR2)

Offset: 0x30, reset: 0x00000000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DACC2DOR
r
Toggle Fields

DACC2DOR

Bits 0-11: DAC channel2 data output.

SR

DAC status register

Offset: 0x34, reset: 0x00000000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
DMAUDR2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DMAUDR1
rw
Toggle Fields

DMAUDR1

Bit 13: DAC channel1 DMA underrun flag.

Allowed values:
0: NoUnderrun: No DMA underrun error condition occurred for DAC channel X
1: Underrun: DMA underrun error condition occurred for DAC channel X

DMAUDR2

Bit 29: DAC channel2 DMA underrun flag.

Allowed values:
0: NoUnderrun: No DMA underrun error condition occurred for DAC channel X
1: Underrun: DMA underrun error condition occurred for DAC channel X

DBGMCU

0xe0042000: Debug support

2/24 fields covered. Toggle Registers

Show register map

IDCODE

DBGMCU_IDCODE

Offset: 0x0, reset: 0x0, access: read-only

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
REV_ID
r
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DEV_ID
r
Toggle Fields

DEV_ID

Bits 0-11: DEV_ID.

REV_ID

Bits 16-31: REV_ID.

CR

DBGMCU_CR

Offset: 0x4, reset: 0x0, access: read-write

0/22 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
DBG_TIM14_STOP
rw 		DBG_TIM13_STOP
rw 		DBG_TIM12_STOP
rw 		DBG_TIM17_STOP
rw 		DBG_TIM16_STOP
rw 		DBG_TIM15_STOP
rw 		DBG_TIM7_STOP
rw 		DBG_TIM6_STOP
rw 		DBG_TIM5_STOP
rw 		DBG_I2C2_SMBUS_TIMEOUT
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DBG_I2C1_SMBUS_TIMEOUT
rw 		DBG_TIM4_STOP
rw 		DBG_TIM3_STOP
rw 		DBG_TIM2_STOP
rw 		DBG_TIM1_STOP
rw 		DBG_WWDG_STOP
rw 		DBG_IWDG_STOP
rw 		TRACE_MODE
rw 		TRACE_IOEN
rw 		DBG_STANDBY
rw 		DBG_STOP
rw 		DBG_SLEEP
rw
Toggle Fields

DBG_SLEEP

Bit 0: DBG_SLEEP.

DBG_STOP

Bit 1: DBG_STOP.

DBG_STANDBY

Bit 2: DBG_STANDBY.

TRACE_IOEN

Bit 5: TRACE_IOEN.

TRACE_MODE

Bits 6-7: TRACE_MODE.

DBG_IWDG_STOP

Bit 8: DBG_IWDG_STOP.

DBG_WWDG_STOP

Bit 9: DBG_WWDG_STOP.

DBG_TIM1_STOP

Bit 10: DBG_TIM1_STOP.

DBG_TIM2_STOP

Bit 11: DBG_TIM2_STOP.

DBG_TIM3_STOP

Bit 12: DBG_TIM3_STOP.

DBG_TIM4_STOP

Bit 13: DBG_TIM4_STOP.

DBG_I2C1_SMBUS_TIMEOUT

Bit 15: DBG_I2C1_SMBUS_TIMEOUT.

DBG_I2C2_SMBUS_TIMEOUT

Bit 16: DBG_I2C2_SMBUS_TIMEOUT.

DBG_TIM5_STOP

Bit 18: DBG_TIM5_STOP.

DBG_TIM6_STOP

Bit 19: DBG_TIM6_STOP.

DBG_TIM7_STOP

Bit 20: DBG_TIM7_STOP.

DBG_TIM15_STOP

Bit 22: DBG_TIM15_STOP.

DBG_TIM16_STOP

Bit 23: DBG_TIM16_STOP.

DBG_TIM17_STOP

Bit 24: DBG_TIM17_STOP.

DBG_TIM12_STOP

Bit 25: DBG_TIM12_STOP.

DBG_TIM13_STOP

Bit 26: DBG_TIM13_STOP.

DBG_TIM14_STOP

Bit 27: DBG_TIM14_STOP.

DMA1

0x40020000: DMA controller

147/161 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 ISR
0x4 IFCR
0x8 CR [1]
0xc NDTR [1]
0x10 PAR [1]
0x14 MAR [1]
0x1c CR [2]
0x20 NDTR [2]
0x24 PAR [2]
0x28 MAR [2]
0x30 CR [3]
0x34 NDTR [3]
0x38 PAR [3]
0x3c MAR [3]
0x44 CR [4]
0x48 NDTR [4]
0x4c PAR [4]
0x50 MAR [4]
0x58 CR [5]
0x5c NDTR [5]
0x60 PAR [5]
0x64 MAR [5]
0x6c CR [6]
0x70 NDTR [6]
0x74 PAR [6]
0x78 MAR [6]
0x80 CR [7]
0x84 NDTR [7]
0x88 PAR [7]
0x8c MAR [7]

ISR

DMA interrupt status register (DMA_ISR)

Offset: 0x0, reset: 0x00000000, access: read-only

28/28 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
TEIF7
r 		HTIF7
r 		TCIF7
r 		GIF7
r 		TEIF6
r 		HTIF6
r 		TCIF6
r 		GIF6
r 		TEIF5
r 		HTIF5
r 		TCIF5
r 		GIF5
r
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TEIF4
r 		HTIF4
r 		TCIF4
r 		GIF4
r 		TEIF3
r 		HTIF3
r 		TCIF3
r 		GIF3
r 		TEIF2
r 		HTIF2
r 		TCIF2
r 		GIF2
r 		TEIF1
r 		HTIF1
r 		TCIF1
r 		GIF1
r
Toggle Fields

GIF1

Bit 0: Channel 1 Global interrupt flag.

Allowed values:
0: NoEvent: No transfer error, half event, complete event
1: Event: A transfer error, half event or complete event has occured

TCIF1

Bit 1: Channel 1 Transfer Complete flag.

Allowed values:
0: NotComplete: No transfer complete event
1: Complete: A transfer complete event has occured

HTIF1

Bit 2: Channel 1 Half Transfer Complete flag.

Allowed values:
0: NotHalf: No half transfer event
1: Half: A half transfer event has occured

TEIF1

Bit 3: Channel 1 Transfer Error flag.

Allowed values:
0: NoError: No transfer error
1: Error: A transfer error has occured

GIF2

Bit 4: Channel 2 Global interrupt flag.

Allowed values:
0: NoEvent: No transfer error, half event, complete event
1: Event: A transfer error, half event or complete event has occured

TCIF2

Bit 5: Channel 2 Transfer Complete flag.

Allowed values:
0: NotComplete: No transfer complete event
1: Complete: A transfer complete event has occured

HTIF2

Bit 6: Channel 2 Half Transfer Complete flag.

Allowed values:
0: NotHalf: No half transfer event
1: Half: A half transfer event has occured

TEIF2

Bit 7: Channel 2 Transfer Error flag.

Allowed values:
0: NoError: No transfer error
1: Error: A transfer error has occured

GIF3

Bit 8: Channel 3 Global interrupt flag.

Allowed values:
0: NoEvent: No transfer error, half event, complete event
1: Event: A transfer error, half event or complete event has occured

TCIF3

Bit 9: Channel 3 Transfer Complete flag.

Allowed values:
0: NotComplete: No transfer complete event
1: Complete: A transfer complete event has occured

HTIF3

Bit 10: Channel 3 Half Transfer Complete flag.

Allowed values:
0: NotHalf: No half transfer event
1: Half: A half transfer event has occured

TEIF3

Bit 11: Channel 3 Transfer Error flag.

Allowed values:
0: NoError: No transfer error
1: Error: A transfer error has occured

GIF4

Bit 12: Channel 4 Global interrupt flag.

Allowed values:
0: NoEvent: No transfer error, half event, complete event
1: Event: A transfer error, half event or complete event has occured

TCIF4

Bit 13: Channel 4 Transfer Complete flag.

Allowed values:
0: NotComplete: No transfer complete event
1: Complete: A transfer complete event has occured

HTIF4

Bit 14: Channel 4 Half Transfer Complete flag.

Allowed values:
0: NotHalf: No half transfer event
1: Half: A half transfer event has occured

TEIF4

Bit 15: Channel 4 Transfer Error flag.

Allowed values:
0: NoError: No transfer error
1: Error: A transfer error has occured

GIF5

Bit 16: Channel 5 Global interrupt flag.

Allowed values:
0: NoEvent: No transfer error, half event, complete event
1: Event: A transfer error, half event or complete event has occured

TCIF5

Bit 17: Channel 5 Transfer Complete flag.

Allowed values:
0: NotComplete: No transfer complete event
1: Complete: A transfer complete event has occured

HTIF5

Bit 18: Channel 5 Half Transfer Complete flag.

Allowed values:
0: NotHalf: No half transfer event
1: Half: A half transfer event has occured

TEIF5

Bit 19: Channel 5 Transfer Error flag.

Allowed values:
0: NoError: No transfer error
1: Error: A transfer error has occured

GIF6

Bit 20: Channel 6 Global interrupt flag.

Allowed values:
0: NoEvent: No transfer error, half event, complete event
1: Event: A transfer error, half event or complete event has occured

TCIF6

Bit 21: Channel 6 Transfer Complete flag.

Allowed values:
0: NotComplete: No transfer complete event
1: Complete: A transfer complete event has occured

HTIF6

Bit 22: Channel 6 Half Transfer Complete flag.

Allowed values:
0: NotHalf: No half transfer event
1: Half: A half transfer event has occured

TEIF6

Bit 23: Channel 6 Transfer Error flag.

Allowed values:
0: NoError: No transfer error
1: Error: A transfer error has occured

GIF7

Bit 24: Channel 7 Global interrupt flag.

Allowed values:
0: NoEvent: No transfer error, half event, complete event
1: Event: A transfer error, half event or complete event has occured

TCIF7

Bit 25: Channel 7 Transfer Complete flag.

Allowed values:
0: NotComplete: No transfer complete event
1: Complete: A transfer complete event has occured

HTIF7

Bit 26: Channel 7 Half Transfer Complete flag.

Allowed values:
0: NotHalf: No half transfer event
1: Half: A half transfer event has occured

TEIF7

Bit 27: Channel 7 Transfer Error flag.

Allowed values:
0: NoError: No transfer error
1: Error: A transfer error has occured

IFCR

DMA interrupt flag clear register (DMA_IFCR)

Offset: 0x4, reset: 0x00000000, access: write-only

28/28 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CTEIF7
w 		CHTIF7
w 		CTCIF7
w 		CGIF7
w 		CTEIF6
w 		CHTIF6
w 		CTCIF6
w 		CGIF6
w 		CTEIF5
w 		CHTIF5
w 		CTCIF5
w 		CGIF5
w
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CTEIF4
w 		CHTIF4
w 		CTCIF4
w 		CGIF4
w 		CTEIF3
w 		CHTIF3
w 		CTCIF3
w 		CGIF3
w 		CTEIF2
w 		CHTIF2
w 		CTCIF2
w 		CGIF2
w 		CTEIF1
w 		CHTIF1
w 		CTCIF1
w 		CGIF1
w
Toggle Fields

CGIF1

Bit 0: Channel 1 Global interrupt clear.

Allowed values:
1: Clear: Clears the GIF, TEIF, HTIF, TCIF flags in the ISR register

CTCIF1

Bit 1: Channel 1 Transfer Complete clear.

Allowed values:
1: Clear: Clears the TCIF flag in the ISR register

CHTIF1

Bit 2: Channel 1 Half Transfer clear.

Allowed values:
1: Clear: Clears the HTIF flag in the ISR register

CTEIF1

Bit 3: Channel 1 Transfer Error clear.

Allowed values:
1: Clear: Clears the TEIF flag in the ISR register

CGIF2

Bit 4: Channel 2 Global interrupt clear.

Allowed values:
1: Clear: Clears the GIF, TEIF, HTIF, TCIF flags in the ISR register

CTCIF2

Bit 5: Channel 2 Transfer Complete clear.

Allowed values:
1: Clear: Clears the TCIF flag in the ISR register

CHTIF2

Bit 6: Channel 2 Half Transfer clear.

Allowed values:
1: Clear: Clears the HTIF flag in the ISR register

CTEIF2

Bit 7: Channel 2 Transfer Error clear.

Allowed values:
1: Clear: Clears the TEIF flag in the ISR register

CGIF3

Bit 8: Channel 3 Global interrupt clear.

Allowed values:
1: Clear: Clears the GIF, TEIF, HTIF, TCIF flags in the ISR register

CTCIF3

Bit 9: Channel 3 Transfer Complete clear.

Allowed values:
1: Clear: Clears the TCIF flag in the ISR register

CHTIF3

Bit 10: Channel 3 Half Transfer clear.

Allowed values:
1: Clear: Clears the HTIF flag in the ISR register

CTEIF3

Bit 11: Channel 3 Transfer Error clear.

Allowed values:
1: Clear: Clears the TEIF flag in the ISR register

CGIF4

Bit 12: Channel 4 Global interrupt clear.

Allowed values:
1: Clear: Clears the GIF, TEIF, HTIF, TCIF flags in the ISR register

CTCIF4

Bit 13: Channel 4 Transfer Complete clear.

Allowed values:
1: Clear: Clears the TCIF flag in the ISR register

CHTIF4

Bit 14: Channel 4 Half Transfer clear.

Allowed values:
1: Clear: Clears the HTIF flag in the ISR register

CTEIF4

Bit 15: Channel 4 Transfer Error clear.

Allowed values:
1: Clear: Clears the TEIF flag in the ISR register

CGIF5

Bit 16: Channel 5 Global interrupt clear.

Allowed values:
1: Clear: Clears the GIF, TEIF, HTIF, TCIF flags in the ISR register

CTCIF5

Bit 17: Channel 5 Transfer Complete clear.

Allowed values:
1: Clear: Clears the TCIF flag in the ISR register

CHTIF5

Bit 18: Channel 5 Half Transfer clear.

Allowed values:
1: Clear: Clears the HTIF flag in the ISR register

CTEIF5

Bit 19: Channel 5 Transfer Error clear.

Allowed values:
1: Clear: Clears the TEIF flag in the ISR register

CGIF6

Bit 20: Channel 6 Global interrupt clear.

Allowed values:
1: Clear: Clears the GIF, TEIF, HTIF, TCIF flags in the ISR register

CTCIF6

Bit 21: Channel 6 Transfer Complete clear.

Allowed values:
1: Clear: Clears the TCIF flag in the ISR register

CHTIF6

Bit 22: Channel 6 Half Transfer clear.

Allowed values:
1: Clear: Clears the HTIF flag in the ISR register

CTEIF6

Bit 23: Channel 6 Transfer Error clear.

Allowed values:
1: Clear: Clears the TEIF flag in the ISR register

CGIF7

Bit 24: Channel 7 Global interrupt clear.

Allowed values:
1: Clear: Clears the GIF, TEIF, HTIF, TCIF flags in the ISR register

CTCIF7

Bit 25: Channel 7 Transfer Complete clear.

Allowed values:
1: Clear: Clears the TCIF flag in the ISR register

CHTIF7

Bit 26: Channel 7 Half Transfer clear.

Allowed values:
1: Clear: Clears the HTIF flag in the ISR register

CTEIF7

Bit 27: Channel 7 Transfer Error clear.

Allowed values:
1: Clear: Clears the TEIF flag in the ISR register

CR [1]

DMA channel configuration register (DMA_CCR)

Offset: 0x8, reset: 0x00000000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MEM2MEM
rw 		PL
rw 		MSIZE
rw 		PSIZE
rw 		MINC
rw 		PINC
rw 		CIRC
rw 		DIR
rw 		TEIE
rw 		HTIE
rw 		TCIE
rw 		EN
rw
Toggle Fields

EN

Bit 0: Channel enable.

Allowed values:
0: Disabled: Channel disabled
1: Enabled: Channel enabled

TCIE

Bit 1: Transfer complete interrupt enable.

Allowed values:
0: Disabled: Transfer Complete interrupt disabled
1: Enabled: Transfer Complete interrupt enabled

HTIE

Bit 2: Half Transfer interrupt enable.

Allowed values:
0: Disabled: Half Transfer interrupt disabled
1: Enabled: Half Transfer interrupt enabled

TEIE

Bit 3: Transfer error interrupt enable.

Allowed values:
0: Disabled: Transfer Error interrupt disabled
1: Enabled: Transfer Error interrupt enabled

DIR

Bit 4: Data transfer direction.

Allowed values:
0: FromPeripheral: Read from peripheral
1: FromMemory: Read from memory

CIRC

Bit 5: Circular mode.

Allowed values:
0: Disabled: Circular buffer disabled
1: Enabled: Circular buffer enabled

PINC

Bit 6: Peripheral increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

MINC

Bit 7: Memory increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

PSIZE

Bits 8-9: Peripheral size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

MSIZE

Bits 10-11: Memory size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

PL

Bits 12-13: Channel Priority level.

Allowed values:
0: Low: Low priority
1: Medium: Medium priority
2: High: High priority
3: VeryHigh: Very high priority

MEM2MEM

Bit 14: Memory to memory mode.

Allowed values:
0: Disabled: Memory to memory mode disabled
1: Enabled: Memory to memory mode enabled

NDTR [1]

DMA channel 1 number of data register

Offset: 0xc, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NDT
rw
Toggle Fields

NDT

Bits 0-15: Number of data to transfer.

Allowed values: 0x0-0xffff

PAR [1]

DMA channel 1 peripheral address register

Offset: 0x10, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PA
rw
Toggle Fields

PA

Bits 0-31: Peripheral address.

MAR [1]

DMA channel 1 memory address register

Offset: 0x14, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MA
rw
Toggle Fields

MA

Bits 0-31: Memory address.

CR [2]

DMA channel configuration register (DMA_CCR)

Offset: 0x1c, reset: 0x00000000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MEM2MEM
rw 		PL
rw 		MSIZE
rw 		PSIZE
rw 		MINC
rw 		PINC
rw 		CIRC
rw 		DIR
rw 		TEIE
rw 		HTIE
rw 		TCIE
rw 		EN
rw
Toggle Fields

EN

Bit 0: Channel enable.

Allowed values:
0: Disabled: Channel disabled
1: Enabled: Channel enabled

TCIE

Bit 1: Transfer complete interrupt enable.

Allowed values:
0: Disabled: Transfer Complete interrupt disabled
1: Enabled: Transfer Complete interrupt enabled

HTIE

Bit 2: Half Transfer interrupt enable.

Allowed values:
0: Disabled: Half Transfer interrupt disabled
1: Enabled: Half Transfer interrupt enabled

TEIE

Bit 3: Transfer error interrupt enable.

Allowed values:
0: Disabled: Transfer Error interrupt disabled
1: Enabled: Transfer Error interrupt enabled

DIR

Bit 4: Data transfer direction.

Allowed values:
0: FromPeripheral: Read from peripheral
1: FromMemory: Read from memory

CIRC

Bit 5: Circular mode.

Allowed values:
0: Disabled: Circular buffer disabled
1: Enabled: Circular buffer enabled

PINC

Bit 6: Peripheral increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

MINC

Bit 7: Memory increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

PSIZE

Bits 8-9: Peripheral size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

MSIZE

Bits 10-11: Memory size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

PL

Bits 12-13: Channel Priority level.

Allowed values:
0: Low: Low priority
1: Medium: Medium priority
2: High: High priority
3: VeryHigh: Very high priority

MEM2MEM

Bit 14: Memory to memory mode.

Allowed values:
0: Disabled: Memory to memory mode disabled
1: Enabled: Memory to memory mode enabled

NDTR [2]

DMA channel 1 number of data register

Offset: 0x20, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NDT
rw
Toggle Fields

NDT

Bits 0-15: Number of data to transfer.

Allowed values: 0x0-0xffff

PAR [2]

DMA channel 1 peripheral address register

Offset: 0x24, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PA
rw
Toggle Fields

PA

Bits 0-31: Peripheral address.

MAR [2]

DMA channel 1 memory address register

Offset: 0x28, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MA
rw
Toggle Fields

MA

Bits 0-31: Memory address.

CR [3]

DMA channel configuration register (DMA_CCR)

Offset: 0x30, reset: 0x00000000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MEM2MEM
rw 		PL
rw 		MSIZE
rw 		PSIZE
rw 		MINC
rw 		PINC
rw 		CIRC
rw 		DIR
rw 		TEIE
rw 		HTIE
rw 		TCIE
rw 		EN
rw
Toggle Fields

EN

Bit 0: Channel enable.

Allowed values:
0: Disabled: Channel disabled
1: Enabled: Channel enabled

TCIE

Bit 1: Transfer complete interrupt enable.

Allowed values:
0: Disabled: Transfer Complete interrupt disabled
1: Enabled: Transfer Complete interrupt enabled

HTIE

Bit 2: Half Transfer interrupt enable.

Allowed values:
0: Disabled: Half Transfer interrupt disabled
1: Enabled: Half Transfer interrupt enabled

TEIE

Bit 3: Transfer error interrupt enable.

Allowed values:
0: Disabled: Transfer Error interrupt disabled
1: Enabled: Transfer Error interrupt enabled

DIR

Bit 4: Data transfer direction.

Allowed values:
0: FromPeripheral: Read from peripheral
1: FromMemory: Read from memory

CIRC

Bit 5: Circular mode.

Allowed values:
0: Disabled: Circular buffer disabled
1: Enabled: Circular buffer enabled

PINC

Bit 6: Peripheral increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

MINC

Bit 7: Memory increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

PSIZE

Bits 8-9: Peripheral size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

MSIZE

Bits 10-11: Memory size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

PL

Bits 12-13: Channel Priority level.

Allowed values:
0: Low: Low priority
1: Medium: Medium priority
2: High: High priority
3: VeryHigh: Very high priority

MEM2MEM

Bit 14: Memory to memory mode.

Allowed values:
0: Disabled: Memory to memory mode disabled
1: Enabled: Memory to memory mode enabled

NDTR [3]

DMA channel 1 number of data register

Offset: 0x34, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NDT
rw
Toggle Fields

NDT

Bits 0-15: Number of data to transfer.

Allowed values: 0x0-0xffff

PAR [3]

DMA channel 1 peripheral address register

Offset: 0x38, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PA
rw
Toggle Fields

PA

Bits 0-31: Peripheral address.

MAR [3]

DMA channel 1 memory address register

Offset: 0x3c, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MA
rw
Toggle Fields

MA

Bits 0-31: Memory address.

CR [4]

DMA channel configuration register (DMA_CCR)

Offset: 0x44, reset: 0x00000000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MEM2MEM
rw 		PL
rw 		MSIZE
rw 		PSIZE
rw 		MINC
rw 		PINC
rw 		CIRC
rw 		DIR
rw 		TEIE
rw 		HTIE
rw 		TCIE
rw 		EN
rw
Toggle Fields

EN

Bit 0: Channel enable.

Allowed values:
0: Disabled: Channel disabled
1: Enabled: Channel enabled

TCIE

Bit 1: Transfer complete interrupt enable.

Allowed values:
0: Disabled: Transfer Complete interrupt disabled
1: Enabled: Transfer Complete interrupt enabled

HTIE

Bit 2: Half Transfer interrupt enable.

Allowed values:
0: Disabled: Half Transfer interrupt disabled
1: Enabled: Half Transfer interrupt enabled

TEIE

Bit 3: Transfer error interrupt enable.

Allowed values:
0: Disabled: Transfer Error interrupt disabled
1: Enabled: Transfer Error interrupt enabled

DIR

Bit 4: Data transfer direction.

Allowed values:
0: FromPeripheral: Read from peripheral
1: FromMemory: Read from memory

CIRC

Bit 5: Circular mode.

Allowed values:
0: Disabled: Circular buffer disabled
1: Enabled: Circular buffer enabled

PINC

Bit 6: Peripheral increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

MINC

Bit 7: Memory increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

PSIZE

Bits 8-9: Peripheral size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

MSIZE

Bits 10-11: Memory size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

PL

Bits 12-13: Channel Priority level.

Allowed values:
0: Low: Low priority
1: Medium: Medium priority
2: High: High priority
3: VeryHigh: Very high priority

MEM2MEM

Bit 14: Memory to memory mode.

Allowed values:
0: Disabled: Memory to memory mode disabled
1: Enabled: Memory to memory mode enabled

NDTR [4]

DMA channel 1 number of data register

Offset: 0x48, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NDT
rw
Toggle Fields

NDT

Bits 0-15: Number of data to transfer.

Allowed values: 0x0-0xffff

PAR [4]

DMA channel 1 peripheral address register

Offset: 0x4c, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PA
rw
Toggle Fields

PA

Bits 0-31: Peripheral address.

MAR [4]

DMA channel 1 memory address register

Offset: 0x50, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MA
rw
Toggle Fields

MA

Bits 0-31: Memory address.

CR [5]

DMA channel configuration register (DMA_CCR)

Offset: 0x58, reset: 0x00000000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MEM2MEM
rw 		PL
rw 		MSIZE
rw 		PSIZE
rw 		MINC
rw 		PINC
rw 		CIRC
rw 		DIR
rw 		TEIE
rw 		HTIE
rw 		TCIE
rw 		EN
rw
Toggle Fields

EN

Bit 0: Channel enable.

Allowed values:
0: Disabled: Channel disabled
1: Enabled: Channel enabled

TCIE

Bit 1: Transfer complete interrupt enable.

Allowed values:
0: Disabled: Transfer Complete interrupt disabled
1: Enabled: Transfer Complete interrupt enabled

HTIE

Bit 2: Half Transfer interrupt enable.

Allowed values:
0: Disabled: Half Transfer interrupt disabled
1: Enabled: Half Transfer interrupt enabled

TEIE

Bit 3: Transfer error interrupt enable.

Allowed values:
0: Disabled: Transfer Error interrupt disabled
1: Enabled: Transfer Error interrupt enabled

DIR

Bit 4: Data transfer direction.

Allowed values:
0: FromPeripheral: Read from peripheral
1: FromMemory: Read from memory

CIRC

Bit 5: Circular mode.

Allowed values:
0: Disabled: Circular buffer disabled
1: Enabled: Circular buffer enabled

PINC

Bit 6: Peripheral increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

MINC

Bit 7: Memory increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

PSIZE

Bits 8-9: Peripheral size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

MSIZE

Bits 10-11: Memory size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

PL

Bits 12-13: Channel Priority level.

Allowed values:
0: Low: Low priority
1: Medium: Medium priority
2: High: High priority
3: VeryHigh: Very high priority

MEM2MEM

Bit 14: Memory to memory mode.

Allowed values:
0: Disabled: Memory to memory mode disabled
1: Enabled: Memory to memory mode enabled

NDTR [5]

DMA channel 1 number of data register

Offset: 0x5c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NDT
rw
Toggle Fields

NDT

Bits 0-15: Number of data to transfer.

Allowed values: 0x0-0xffff

PAR [5]

DMA channel 1 peripheral address register

Offset: 0x60, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PA
rw
Toggle Fields

PA

Bits 0-31: Peripheral address.

MAR [5]

DMA channel 1 memory address register

Offset: 0x64, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MA
rw
Toggle Fields

MA

Bits 0-31: Memory address.

CR [6]

DMA channel configuration register (DMA_CCR)

Offset: 0x6c, reset: 0x00000000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MEM2MEM
rw 		PL
rw 		MSIZE
rw 		PSIZE
rw 		MINC
rw 		PINC
rw 		CIRC
rw 		DIR
rw 		TEIE
rw 		HTIE
rw 		TCIE
rw 		EN
rw
Toggle Fields

EN

Bit 0: Channel enable.

Allowed values:
0: Disabled: Channel disabled
1: Enabled: Channel enabled

TCIE

Bit 1: Transfer complete interrupt enable.

Allowed values:
0: Disabled: Transfer Complete interrupt disabled
1: Enabled: Transfer Complete interrupt enabled

HTIE

Bit 2: Half Transfer interrupt enable.

Allowed values:
0: Disabled: Half Transfer interrupt disabled
1: Enabled: Half Transfer interrupt enabled

TEIE

Bit 3: Transfer error interrupt enable.

Allowed values:
0: Disabled: Transfer Error interrupt disabled
1: Enabled: Transfer Error interrupt enabled

DIR

Bit 4: Data transfer direction.

Allowed values:
0: FromPeripheral: Read from peripheral
1: FromMemory: Read from memory

CIRC

Bit 5: Circular mode.

Allowed values:
0: Disabled: Circular buffer disabled
1: Enabled: Circular buffer enabled

PINC

Bit 6: Peripheral increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

MINC

Bit 7: Memory increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

PSIZE

Bits 8-9: Peripheral size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

MSIZE

Bits 10-11: Memory size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

PL

Bits 12-13: Channel Priority level.

Allowed values:
0: Low: Low priority
1: Medium: Medium priority
2: High: High priority
3: VeryHigh: Very high priority

MEM2MEM

Bit 14: Memory to memory mode.

Allowed values:
0: Disabled: Memory to memory mode disabled
1: Enabled: Memory to memory mode enabled

NDTR [6]

DMA channel 1 number of data register

Offset: 0x70, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NDT
rw
Toggle Fields

NDT

Bits 0-15: Number of data to transfer.

Allowed values: 0x0-0xffff

PAR [6]

DMA channel 1 peripheral address register

Offset: 0x74, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PA
rw
Toggle Fields

PA

Bits 0-31: Peripheral address.

MAR [6]

DMA channel 1 memory address register

Offset: 0x78, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MA
rw
Toggle Fields

MA

Bits 0-31: Memory address.

CR [7]

DMA channel configuration register (DMA_CCR)

Offset: 0x80, reset: 0x00000000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MEM2MEM
rw 		PL
rw 		MSIZE
rw 		PSIZE
rw 		MINC
rw 		PINC
rw 		CIRC
rw 		DIR
rw 		TEIE
rw 		HTIE
rw 		TCIE
rw 		EN
rw
Toggle Fields

EN

Bit 0: Channel enable.

Allowed values:
0: Disabled: Channel disabled
1: Enabled: Channel enabled

TCIE

Bit 1: Transfer complete interrupt enable.

Allowed values:
0: Disabled: Transfer Complete interrupt disabled
1: Enabled: Transfer Complete interrupt enabled

HTIE

Bit 2: Half Transfer interrupt enable.

Allowed values:
0: Disabled: Half Transfer interrupt disabled
1: Enabled: Half Transfer interrupt enabled

TEIE

Bit 3: Transfer error interrupt enable.

Allowed values:
0: Disabled: Transfer Error interrupt disabled
1: Enabled: Transfer Error interrupt enabled

DIR

Bit 4: Data transfer direction.

Allowed values:
0: FromPeripheral: Read from peripheral
1: FromMemory: Read from memory

CIRC

Bit 5: Circular mode.

Allowed values:
0: Disabled: Circular buffer disabled
1: Enabled: Circular buffer enabled

PINC

Bit 6: Peripheral increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

MINC

Bit 7: Memory increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

PSIZE

Bits 8-9: Peripheral size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

MSIZE

Bits 10-11: Memory size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

PL

Bits 12-13: Channel Priority level.

Allowed values:
0: Low: Low priority
1: Medium: Medium priority
2: High: High priority
3: VeryHigh: Very high priority

MEM2MEM

Bit 14: Memory to memory mode.

Allowed values:
0: Disabled: Memory to memory mode disabled
1: Enabled: Memory to memory mode enabled

NDTR [7]

DMA channel 1 number of data register

Offset: 0x84, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NDT
rw
Toggle Fields

NDT

Bits 0-15: Number of data to transfer.

Allowed values: 0x0-0xffff

PAR [7]

DMA channel 1 peripheral address register

Offset: 0x88, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PA
rw
Toggle Fields

PA

Bits 0-31: Peripheral address.

MAR [7]

DMA channel 1 memory address register

Offset: 0x8c, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MA
rw
Toggle Fields

MA

Bits 0-31: Memory address.

DMA2

0x40020400: DMA controller

147/161 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 ISR
0x4 IFCR
0x8 CR [1]
0xc NDTR [1]
0x10 PAR [1]
0x14 MAR [1]
0x1c CR [2]
0x20 NDTR [2]
0x24 PAR [2]
0x28 MAR [2]
0x30 CR [3]
0x34 NDTR [3]
0x38 PAR [3]
0x3c MAR [3]
0x44 CR [4]
0x48 NDTR [4]
0x4c PAR [4]
0x50 MAR [4]
0x58 CR [5]
0x5c NDTR [5]
0x60 PAR [5]
0x64 MAR [5]
0x6c CR [6]
0x70 NDTR [6]
0x74 PAR [6]
0x78 MAR [6]
0x80 CR [7]
0x84 NDTR [7]
0x88 PAR [7]
0x8c MAR [7]

ISR

DMA interrupt status register (DMA_ISR)

Offset: 0x0, reset: 0x00000000, access: read-only

28/28 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
TEIF7
r 		HTIF7
r 		TCIF7
r 		GIF7
r 		TEIF6
r 		HTIF6
r 		TCIF6
r 		GIF6
r 		TEIF5
r 		HTIF5
r 		TCIF5
r 		GIF5
r
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TEIF4
r 		HTIF4
r 		TCIF4
r 		GIF4
r 		TEIF3
r 		HTIF3
r 		TCIF3
r 		GIF3
r 		TEIF2
r 		HTIF2
r 		TCIF2
r 		GIF2
r 		TEIF1
r 		HTIF1
r 		TCIF1
r 		GIF1
r
Toggle Fields

GIF1

Bit 0: Channel 1 Global interrupt flag.

Allowed values:
0: NoEvent: No transfer error, half event, complete event
1: Event: A transfer error, half event or complete event has occured

TCIF1

Bit 1: Channel 1 Transfer Complete flag.

Allowed values:
0: NotComplete: No transfer complete event
1: Complete: A transfer complete event has occured

HTIF1

Bit 2: Channel 1 Half Transfer Complete flag.

Allowed values:
0: NotHalf: No half transfer event
1: Half: A half transfer event has occured

TEIF1

Bit 3: Channel 1 Transfer Error flag.

Allowed values:
0: NoError: No transfer error
1: Error: A transfer error has occured

GIF2

Bit 4: Channel 2 Global interrupt flag.

Allowed values:
0: NoEvent: No transfer error, half event, complete event
1: Event: A transfer error, half event or complete event has occured

TCIF2

Bit 5: Channel 2 Transfer Complete flag.

Allowed values:
0: NotComplete: No transfer complete event
1: Complete: A transfer complete event has occured

HTIF2

Bit 6: Channel 2 Half Transfer Complete flag.

Allowed values:
0: NotHalf: No half transfer event
1: Half: A half transfer event has occured

TEIF2

Bit 7: Channel 2 Transfer Error flag.

Allowed values:
0: NoError: No transfer error
1: Error: A transfer error has occured

GIF3

Bit 8: Channel 3 Global interrupt flag.

Allowed values:
0: NoEvent: No transfer error, half event, complete event
1: Event: A transfer error, half event or complete event has occured

TCIF3

Bit 9: Channel 3 Transfer Complete flag.

Allowed values:
0: NotComplete: No transfer complete event
1: Complete: A transfer complete event has occured

HTIF3

Bit 10: Channel 3 Half Transfer Complete flag.

Allowed values:
0: NotHalf: No half transfer event
1: Half: A half transfer event has occured

TEIF3

Bit 11: Channel 3 Transfer Error flag.

Allowed values:
0: NoError: No transfer error
1: Error: A transfer error has occured

GIF4

Bit 12: Channel 4 Global interrupt flag.

Allowed values:
0: NoEvent: No transfer error, half event, complete event
1: Event: A transfer error, half event or complete event has occured

TCIF4

Bit 13: Channel 4 Transfer Complete flag.

Allowed values:
0: NotComplete: No transfer complete event
1: Complete: A transfer complete event has occured

HTIF4

Bit 14: Channel 4 Half Transfer Complete flag.

Allowed values:
0: NotHalf: No half transfer event
1: Half: A half transfer event has occured

TEIF4

Bit 15: Channel 4 Transfer Error flag.

Allowed values:
0: NoError: No transfer error
1: Error: A transfer error has occured

GIF5

Bit 16: Channel 5 Global interrupt flag.

Allowed values:
0: NoEvent: No transfer error, half event, complete event
1: Event: A transfer error, half event or complete event has occured

TCIF5

Bit 17: Channel 5 Transfer Complete flag.

Allowed values:
0: NotComplete: No transfer complete event
1: Complete: A transfer complete event has occured

HTIF5

Bit 18: Channel 5 Half Transfer Complete flag.

Allowed values:
0: NotHalf: No half transfer event
1: Half: A half transfer event has occured

TEIF5

Bit 19: Channel 5 Transfer Error flag.

Allowed values:
0: NoError: No transfer error
1: Error: A transfer error has occured

GIF6

Bit 20: Channel 6 Global interrupt flag.

Allowed values:
0: NoEvent: No transfer error, half event, complete event
1: Event: A transfer error, half event or complete event has occured

TCIF6

Bit 21: Channel 6 Transfer Complete flag.

Allowed values:
0: NotComplete: No transfer complete event
1: Complete: A transfer complete event has occured

HTIF6

Bit 22: Channel 6 Half Transfer Complete flag.

Allowed values:
0: NotHalf: No half transfer event
1: Half: A half transfer event has occured

TEIF6

Bit 23: Channel 6 Transfer Error flag.

Allowed values:
0: NoError: No transfer error
1: Error: A transfer error has occured

GIF7

Bit 24: Channel 7 Global interrupt flag.

Allowed values:
0: NoEvent: No transfer error, half event, complete event
1: Event: A transfer error, half event or complete event has occured

TCIF7

Bit 25: Channel 7 Transfer Complete flag.

Allowed values:
0: NotComplete: No transfer complete event
1: Complete: A transfer complete event has occured

HTIF7

Bit 26: Channel 7 Half Transfer Complete flag.

Allowed values:
0: NotHalf: No half transfer event
1: Half: A half transfer event has occured

TEIF7

Bit 27: Channel 7 Transfer Error flag.

Allowed values:
0: NoError: No transfer error
1: Error: A transfer error has occured

IFCR

DMA interrupt flag clear register (DMA_IFCR)

Offset: 0x4, reset: 0x00000000, access: write-only

28/28 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CTEIF7
w 		CHTIF7
w 		CTCIF7
w 		CGIF7
w 		CTEIF6
w 		CHTIF6
w 		CTCIF6
w 		CGIF6
w 		CTEIF5
w 		CHTIF5
w 		CTCIF5
w 		CGIF5
w
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CTEIF4
w 		CHTIF4
w 		CTCIF4
w 		CGIF4
w 		CTEIF3
w 		CHTIF3
w 		CTCIF3
w 		CGIF3
w 		CTEIF2
w 		CHTIF2
w 		CTCIF2
w 		CGIF2
w 		CTEIF1
w 		CHTIF1
w 		CTCIF1
w 		CGIF1
w
Toggle Fields

CGIF1

Bit 0: Channel 1 Global interrupt clear.

Allowed values:
1: Clear: Clears the GIF, TEIF, HTIF, TCIF flags in the ISR register

CTCIF1

Bit 1: Channel 1 Transfer Complete clear.

Allowed values:
1: Clear: Clears the TCIF flag in the ISR register

CHTIF1

Bit 2: Channel 1 Half Transfer clear.

Allowed values:
1: Clear: Clears the HTIF flag in the ISR register

CTEIF1

Bit 3: Channel 1 Transfer Error clear.

Allowed values:
1: Clear: Clears the TEIF flag in the ISR register

CGIF2

Bit 4: Channel 2 Global interrupt clear.

Allowed values:
1: Clear: Clears the GIF, TEIF, HTIF, TCIF flags in the ISR register

CTCIF2

Bit 5: Channel 2 Transfer Complete clear.

Allowed values:
1: Clear: Clears the TCIF flag in the ISR register

CHTIF2

Bit 6: Channel 2 Half Transfer clear.

Allowed values:
1: Clear: Clears the HTIF flag in the ISR register

CTEIF2

Bit 7: Channel 2 Transfer Error clear.

Allowed values:
1: Clear: Clears the TEIF flag in the ISR register

CGIF3

Bit 8: Channel 3 Global interrupt clear.

Allowed values:
1: Clear: Clears the GIF, TEIF, HTIF, TCIF flags in the ISR register

CTCIF3

Bit 9: Channel 3 Transfer Complete clear.

Allowed values:
1: Clear: Clears the TCIF flag in the ISR register

CHTIF3

Bit 10: Channel 3 Half Transfer clear.

Allowed values:
1: Clear: Clears the HTIF flag in the ISR register

CTEIF3

Bit 11: Channel 3 Transfer Error clear.

Allowed values:
1: Clear: Clears the TEIF flag in the ISR register

CGIF4

Bit 12: Channel 4 Global interrupt clear.

Allowed values:
1: Clear: Clears the GIF, TEIF, HTIF, TCIF flags in the ISR register

CTCIF4

Bit 13: Channel 4 Transfer Complete clear.

Allowed values:
1: Clear: Clears the TCIF flag in the ISR register

CHTIF4

Bit 14: Channel 4 Half Transfer clear.

Allowed values:
1: Clear: Clears the HTIF flag in the ISR register

CTEIF4

Bit 15: Channel 4 Transfer Error clear.

Allowed values:
1: Clear: Clears the TEIF flag in the ISR register

CGIF5

Bit 16: Channel 5 Global interrupt clear.

Allowed values:
1: Clear: Clears the GIF, TEIF, HTIF, TCIF flags in the ISR register

CTCIF5

Bit 17: Channel 5 Transfer Complete clear.

Allowed values:
1: Clear: Clears the TCIF flag in the ISR register

CHTIF5

Bit 18: Channel 5 Half Transfer clear.

Allowed values:
1: Clear: Clears the HTIF flag in the ISR register

CTEIF5

Bit 19: Channel 5 Transfer Error clear.

Allowed values:
1: Clear: Clears the TEIF flag in the ISR register

CGIF6

Bit 20: Channel 6 Global interrupt clear.

Allowed values:
1: Clear: Clears the GIF, TEIF, HTIF, TCIF flags in the ISR register

CTCIF6

Bit 21: Channel 6 Transfer Complete clear.

Allowed values:
1: Clear: Clears the TCIF flag in the ISR register

CHTIF6

Bit 22: Channel 6 Half Transfer clear.

Allowed values:
1: Clear: Clears the HTIF flag in the ISR register

CTEIF6

Bit 23: Channel 6 Transfer Error clear.

Allowed values:
1: Clear: Clears the TEIF flag in the ISR register

CGIF7

Bit 24: Channel 7 Global interrupt clear.

Allowed values:
1: Clear: Clears the GIF, TEIF, HTIF, TCIF flags in the ISR register

CTCIF7

Bit 25: Channel 7 Transfer Complete clear.

Allowed values:
1: Clear: Clears the TCIF flag in the ISR register

CHTIF7

Bit 26: Channel 7 Half Transfer clear.

Allowed values:
1: Clear: Clears the HTIF flag in the ISR register

CTEIF7

Bit 27: Channel 7 Transfer Error clear.

Allowed values:
1: Clear: Clears the TEIF flag in the ISR register

CR [1]

DMA channel configuration register (DMA_CCR)

Offset: 0x8, reset: 0x00000000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MEM2MEM
rw 		PL
rw 		MSIZE
rw 		PSIZE
rw 		MINC
rw 		PINC
rw 		CIRC
rw 		DIR
rw 		TEIE
rw 		HTIE
rw 		TCIE
rw 		EN
rw
Toggle Fields

EN

Bit 0: Channel enable.

Allowed values:
0: Disabled: Channel disabled
1: Enabled: Channel enabled

TCIE

Bit 1: Transfer complete interrupt enable.

Allowed values:
0: Disabled: Transfer Complete interrupt disabled
1: Enabled: Transfer Complete interrupt enabled

HTIE

Bit 2: Half Transfer interrupt enable.

Allowed values:
0: Disabled: Half Transfer interrupt disabled
1: Enabled: Half Transfer interrupt enabled

TEIE

Bit 3: Transfer error interrupt enable.

Allowed values:
0: Disabled: Transfer Error interrupt disabled
1: Enabled: Transfer Error interrupt enabled

DIR

Bit 4: Data transfer direction.

Allowed values:
0: FromPeripheral: Read from peripheral
1: FromMemory: Read from memory

CIRC

Bit 5: Circular mode.

Allowed values:
0: Disabled: Circular buffer disabled
1: Enabled: Circular buffer enabled

PINC

Bit 6: Peripheral increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

MINC

Bit 7: Memory increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

PSIZE

Bits 8-9: Peripheral size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

MSIZE

Bits 10-11: Memory size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

PL

Bits 12-13: Channel Priority level.

Allowed values:
0: Low: Low priority
1: Medium: Medium priority
2: High: High priority
3: VeryHigh: Very high priority

MEM2MEM

Bit 14: Memory to memory mode.

Allowed values:
0: Disabled: Memory to memory mode disabled
1: Enabled: Memory to memory mode enabled

NDTR [1]

DMA channel 1 number of data register

Offset: 0xc, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NDT
rw
Toggle Fields

NDT

Bits 0-15: Number of data to transfer.

Allowed values: 0x0-0xffff

PAR [1]

DMA channel 1 peripheral address register

Offset: 0x10, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PA
rw
Toggle Fields

PA

Bits 0-31: Peripheral address.

MAR [1]

DMA channel 1 memory address register

Offset: 0x14, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MA
rw
Toggle Fields

MA

Bits 0-31: Memory address.

CR [2]

DMA channel configuration register (DMA_CCR)

Offset: 0x1c, reset: 0x00000000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MEM2MEM
rw 		PL
rw 		MSIZE
rw 		PSIZE
rw 		MINC
rw 		PINC
rw 		CIRC
rw 		DIR
rw 		TEIE
rw 		HTIE
rw 		TCIE
rw 		EN
rw
Toggle Fields

EN

Bit 0: Channel enable.

Allowed values:
0: Disabled: Channel disabled
1: Enabled: Channel enabled

TCIE

Bit 1: Transfer complete interrupt enable.

Allowed values:
0: Disabled: Transfer Complete interrupt disabled
1: Enabled: Transfer Complete interrupt enabled

HTIE

Bit 2: Half Transfer interrupt enable.

Allowed values:
0: Disabled: Half Transfer interrupt disabled
1: Enabled: Half Transfer interrupt enabled

TEIE

Bit 3: Transfer error interrupt enable.

Allowed values:
0: Disabled: Transfer Error interrupt disabled
1: Enabled: Transfer Error interrupt enabled

DIR

Bit 4: Data transfer direction.

Allowed values:
0: FromPeripheral: Read from peripheral
1: FromMemory: Read from memory

CIRC

Bit 5: Circular mode.

Allowed values:
0: Disabled: Circular buffer disabled
1: Enabled: Circular buffer enabled

PINC

Bit 6: Peripheral increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

MINC

Bit 7: Memory increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

PSIZE

Bits 8-9: Peripheral size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

MSIZE

Bits 10-11: Memory size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

PL

Bits 12-13: Channel Priority level.

Allowed values:
0: Low: Low priority
1: Medium: Medium priority
2: High: High priority
3: VeryHigh: Very high priority

MEM2MEM

Bit 14: Memory to memory mode.

Allowed values:
0: Disabled: Memory to memory mode disabled
1: Enabled: Memory to memory mode enabled

NDTR [2]

DMA channel 1 number of data register

Offset: 0x20, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NDT
rw
Toggle Fields

NDT

Bits 0-15: Number of data to transfer.

Allowed values: 0x0-0xffff

PAR [2]

DMA channel 1 peripheral address register

Offset: 0x24, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PA
rw
Toggle Fields

PA

Bits 0-31: Peripheral address.

MAR [2]

DMA channel 1 memory address register

Offset: 0x28, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MA
rw
Toggle Fields

MA

Bits 0-31: Memory address.

CR [3]

DMA channel configuration register (DMA_CCR)

Offset: 0x30, reset: 0x00000000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MEM2MEM
rw 		PL
rw 		MSIZE
rw 		PSIZE
rw 		MINC
rw 		PINC
rw 		CIRC
rw 		DIR
rw 		TEIE
rw 		HTIE
rw 		TCIE
rw 		EN
rw
Toggle Fields

EN

Bit 0: Channel enable.

Allowed values:
0: Disabled: Channel disabled
1: Enabled: Channel enabled

TCIE

Bit 1: Transfer complete interrupt enable.

Allowed values:
0: Disabled: Transfer Complete interrupt disabled
1: Enabled: Transfer Complete interrupt enabled

HTIE

Bit 2: Half Transfer interrupt enable.

Allowed values:
0: Disabled: Half Transfer interrupt disabled
1: Enabled: Half Transfer interrupt enabled

TEIE

Bit 3: Transfer error interrupt enable.

Allowed values:
0: Disabled: Transfer Error interrupt disabled
1: Enabled: Transfer Error interrupt enabled

DIR

Bit 4: Data transfer direction.

Allowed values:
0: FromPeripheral: Read from peripheral
1: FromMemory: Read from memory

CIRC

Bit 5: Circular mode.

Allowed values:
0: Disabled: Circular buffer disabled
1: Enabled: Circular buffer enabled

PINC

Bit 6: Peripheral increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

MINC

Bit 7: Memory increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

PSIZE

Bits 8-9: Peripheral size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

MSIZE

Bits 10-11: Memory size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

PL

Bits 12-13: Channel Priority level.

Allowed values:
0: Low: Low priority
1: Medium: Medium priority
2: High: High priority
3: VeryHigh: Very high priority

MEM2MEM

Bit 14: Memory to memory mode.

Allowed values:
0: Disabled: Memory to memory mode disabled
1: Enabled: Memory to memory mode enabled

NDTR [3]

DMA channel 1 number of data register

Offset: 0x34, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NDT
rw
Toggle Fields

NDT

Bits 0-15: Number of data to transfer.

Allowed values: 0x0-0xffff

PAR [3]

DMA channel 1 peripheral address register

Offset: 0x38, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PA
rw
Toggle Fields

PA

Bits 0-31: Peripheral address.

MAR [3]

DMA channel 1 memory address register

Offset: 0x3c, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MA
rw
Toggle Fields

MA

Bits 0-31: Memory address.

CR [4]

DMA channel configuration register (DMA_CCR)

Offset: 0x44, reset: 0x00000000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MEM2MEM
rw 		PL
rw 		MSIZE
rw 		PSIZE
rw 		MINC
rw 		PINC
rw 		CIRC
rw 		DIR
rw 		TEIE
rw 		HTIE
rw 		TCIE
rw 		EN
rw
Toggle Fields

EN

Bit 0: Channel enable.

Allowed values:
0: Disabled: Channel disabled
1: Enabled: Channel enabled

TCIE

Bit 1: Transfer complete interrupt enable.

Allowed values:
0: Disabled: Transfer Complete interrupt disabled
1: Enabled: Transfer Complete interrupt enabled

HTIE

Bit 2: Half Transfer interrupt enable.

Allowed values:
0: Disabled: Half Transfer interrupt disabled
1: Enabled: Half Transfer interrupt enabled

TEIE

Bit 3: Transfer error interrupt enable.

Allowed values:
0: Disabled: Transfer Error interrupt disabled
1: Enabled: Transfer Error interrupt enabled

DIR

Bit 4: Data transfer direction.

Allowed values:
0: FromPeripheral: Read from peripheral
1: FromMemory: Read from memory

CIRC

Bit 5: Circular mode.

Allowed values:
0: Disabled: Circular buffer disabled
1: Enabled: Circular buffer enabled

PINC

Bit 6: Peripheral increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

MINC

Bit 7: Memory increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

PSIZE

Bits 8-9: Peripheral size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

MSIZE

Bits 10-11: Memory size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

PL

Bits 12-13: Channel Priority level.

Allowed values:
0: Low: Low priority
1: Medium: Medium priority
2: High: High priority
3: VeryHigh: Very high priority

MEM2MEM

Bit 14: Memory to memory mode.

Allowed values:
0: Disabled: Memory to memory mode disabled
1: Enabled: Memory to memory mode enabled

NDTR [4]

DMA channel 1 number of data register

Offset: 0x48, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NDT
rw
Toggle Fields

NDT

Bits 0-15: Number of data to transfer.

Allowed values: 0x0-0xffff

PAR [4]

DMA channel 1 peripheral address register

Offset: 0x4c, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PA
rw
Toggle Fields

PA

Bits 0-31: Peripheral address.

MAR [4]

DMA channel 1 memory address register

Offset: 0x50, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MA
rw
Toggle Fields

MA

Bits 0-31: Memory address.

CR [5]

DMA channel configuration register (DMA_CCR)

Offset: 0x58, reset: 0x00000000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MEM2MEM
rw 		PL
rw 		MSIZE
rw 		PSIZE
rw 		MINC
rw 		PINC
rw 		CIRC
rw 		DIR
rw 		TEIE
rw 		HTIE
rw 		TCIE
rw 		EN
rw
Toggle Fields

EN

Bit 0: Channel enable.

Allowed values:
0: Disabled: Channel disabled
1: Enabled: Channel enabled

TCIE

Bit 1: Transfer complete interrupt enable.

Allowed values:
0: Disabled: Transfer Complete interrupt disabled
1: Enabled: Transfer Complete interrupt enabled

HTIE

Bit 2: Half Transfer interrupt enable.

Allowed values:
0: Disabled: Half Transfer interrupt disabled
1: Enabled: Half Transfer interrupt enabled

TEIE

Bit 3: Transfer error interrupt enable.

Allowed values:
0: Disabled: Transfer Error interrupt disabled
1: Enabled: Transfer Error interrupt enabled

DIR

Bit 4: Data transfer direction.

Allowed values:
0: FromPeripheral: Read from peripheral
1: FromMemory: Read from memory

CIRC

Bit 5: Circular mode.

Allowed values:
0: Disabled: Circular buffer disabled
1: Enabled: Circular buffer enabled

PINC

Bit 6: Peripheral increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

MINC

Bit 7: Memory increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

PSIZE

Bits 8-9: Peripheral size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

MSIZE

Bits 10-11: Memory size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

PL

Bits 12-13: Channel Priority level.

Allowed values:
0: Low: Low priority
1: Medium: Medium priority
2: High: High priority
3: VeryHigh: Very high priority

MEM2MEM

Bit 14: Memory to memory mode.

Allowed values:
0: Disabled: Memory to memory mode disabled
1: Enabled: Memory to memory mode enabled

NDTR [5]

DMA channel 1 number of data register

Offset: 0x5c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NDT
rw
Toggle Fields

NDT

Bits 0-15: Number of data to transfer.

Allowed values: 0x0-0xffff

PAR [5]

DMA channel 1 peripheral address register

Offset: 0x60, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PA
rw
Toggle Fields

PA

Bits 0-31: Peripheral address.

MAR [5]

DMA channel 1 memory address register

Offset: 0x64, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MA
rw
Toggle Fields

MA

Bits 0-31: Memory address.

CR [6]

DMA channel configuration register (DMA_CCR)

Offset: 0x6c, reset: 0x00000000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MEM2MEM
rw 		PL
rw 		MSIZE
rw 		PSIZE
rw 		MINC
rw 		PINC
rw 		CIRC
rw 		DIR
rw 		TEIE
rw 		HTIE
rw 		TCIE
rw 		EN
rw
Toggle Fields

EN

Bit 0: Channel enable.

Allowed values:
0: Disabled: Channel disabled
1: Enabled: Channel enabled

TCIE

Bit 1: Transfer complete interrupt enable.

Allowed values:
0: Disabled: Transfer Complete interrupt disabled
1: Enabled: Transfer Complete interrupt enabled

HTIE

Bit 2: Half Transfer interrupt enable.

Allowed values:
0: Disabled: Half Transfer interrupt disabled
1: Enabled: Half Transfer interrupt enabled

TEIE

Bit 3: Transfer error interrupt enable.

Allowed values:
0: Disabled: Transfer Error interrupt disabled
1: Enabled: Transfer Error interrupt enabled

DIR

Bit 4: Data transfer direction.

Allowed values:
0: FromPeripheral: Read from peripheral
1: FromMemory: Read from memory

CIRC

Bit 5: Circular mode.

Allowed values:
0: Disabled: Circular buffer disabled
1: Enabled: Circular buffer enabled

PINC

Bit 6: Peripheral increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

MINC

Bit 7: Memory increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

PSIZE

Bits 8-9: Peripheral size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

MSIZE

Bits 10-11: Memory size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

PL

Bits 12-13: Channel Priority level.

Allowed values:
0: Low: Low priority
1: Medium: Medium priority
2: High: High priority
3: VeryHigh: Very high priority

MEM2MEM

Bit 14: Memory to memory mode.

Allowed values:
0: Disabled: Memory to memory mode disabled
1: Enabled: Memory to memory mode enabled

NDTR [6]

DMA channel 1 number of data register

Offset: 0x70, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NDT
rw
Toggle Fields

NDT

Bits 0-15: Number of data to transfer.

Allowed values: 0x0-0xffff

PAR [6]

DMA channel 1 peripheral address register

Offset: 0x74, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PA
rw
Toggle Fields

PA

Bits 0-31: Peripheral address.

MAR [6]

DMA channel 1 memory address register

Offset: 0x78, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MA
rw
Toggle Fields

MA

Bits 0-31: Memory address.

CR [7]

DMA channel configuration register (DMA_CCR)

Offset: 0x80, reset: 0x00000000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MEM2MEM
rw 		PL
rw 		MSIZE
rw 		PSIZE
rw 		MINC
rw 		PINC
rw 		CIRC
rw 		DIR
rw 		TEIE
rw 		HTIE
rw 		TCIE
rw 		EN
rw
Toggle Fields

EN

Bit 0: Channel enable.

Allowed values:
0: Disabled: Channel disabled
1: Enabled: Channel enabled

TCIE

Bit 1: Transfer complete interrupt enable.

Allowed values:
0: Disabled: Transfer Complete interrupt disabled
1: Enabled: Transfer Complete interrupt enabled

HTIE

Bit 2: Half Transfer interrupt enable.

Allowed values:
0: Disabled: Half Transfer interrupt disabled
1: Enabled: Half Transfer interrupt enabled

TEIE

Bit 3: Transfer error interrupt enable.

Allowed values:
0: Disabled: Transfer Error interrupt disabled
1: Enabled: Transfer Error interrupt enabled

DIR

Bit 4: Data transfer direction.

Allowed values:
0: FromPeripheral: Read from peripheral
1: FromMemory: Read from memory

CIRC

Bit 5: Circular mode.

Allowed values:
0: Disabled: Circular buffer disabled
1: Enabled: Circular buffer enabled

PINC

Bit 6: Peripheral increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

MINC

Bit 7: Memory increment mode.

Allowed values:
0: Disabled: Increment mode disabled
1: Enabled: Increment mode enabled

PSIZE

Bits 8-9: Peripheral size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

MSIZE

Bits 10-11: Memory size.

Allowed values:
0: Bits8: 8-bit size
1: Bits16: 16-bit size
2: Bits32: 32-bit size

PL

Bits 12-13: Channel Priority level.

Allowed values:
0: Low: Low priority
1: Medium: Medium priority
2: High: High priority
3: VeryHigh: Very high priority

MEM2MEM

Bit 14: Memory to memory mode.

Allowed values:
0: Disabled: Memory to memory mode disabled
1: Enabled: Memory to memory mode enabled

NDTR [7]

DMA channel 1 number of data register

Offset: 0x84, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NDT
rw
Toggle Fields

NDT

Bits 0-15: Number of data to transfer.

Allowed values: 0x0-0xffff

PAR [7]

DMA channel 1 peripheral address register

Offset: 0x88, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PA
rw
Toggle Fields

PA

Bits 0-31: Peripheral address.

MAR [7]

DMA channel 1 memory address register

Offset: 0x8c, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MA
rw
Toggle Fields

MA

Bits 0-31: Memory address.

EXTI

0x40010400: EXTI

108/108 fields covered. Toggle Registers

Show register map

IMR

Interrupt mask register (EXTI_IMR)

Offset: 0x0, reset: 0x00000000, access: read-write

18/18 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MR17
rw 		MR16
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MR15
rw 		MR14
rw 		MR13
rw 		MR12
rw 		MR11
rw 		MR10
rw 		MR9
rw 		MR8
rw 		MR7
rw 		MR6
rw 		MR5
rw 		MR4
rw 		MR3
rw 		MR2
rw 		MR1
rw 		MR0
rw
Toggle Fields

MR0

Bit 0: Interrupt Mask on line 0.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR1

Bit 1: Interrupt Mask on line 1.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR2

Bit 2: Interrupt Mask on line 2.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR3

Bit 3: Interrupt Mask on line 3.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR4

Bit 4: Interrupt Mask on line 4.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR5

Bit 5: Interrupt Mask on line 5.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR6

Bit 6: Interrupt Mask on line 6.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR7

Bit 7: Interrupt Mask on line 7.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR8

Bit 8: Interrupt Mask on line 8.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR9

Bit 9: Interrupt Mask on line 9.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR10

Bit 10: Interrupt Mask on line 10.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR11

Bit 11: Interrupt Mask on line 11.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR12

Bit 12: Interrupt Mask on line 12.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR13

Bit 13: Interrupt Mask on line 13.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR14

Bit 14: Interrupt Mask on line 14.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR15

Bit 15: Interrupt Mask on line 15.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR16

Bit 16: Interrupt Mask on line 16.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR17

Bit 17: Interrupt Mask on line 17.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

EMR

Event mask register (EXTI_EMR)

Offset: 0x4, reset: 0x00000000, access: read-write

18/18 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MR17
rw 		MR16
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MR15
rw 		MR14
rw 		MR13
rw 		MR12
rw 		MR11
rw 		MR10
rw 		MR9
rw 		MR8
rw 		MR7
rw 		MR6
rw 		MR5
rw 		MR4
rw 		MR3
rw 		MR2
rw 		MR1
rw 		MR0
rw
Toggle Fields

MR0

Bit 0: Event Mask on line 0.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR1

Bit 1: Event Mask on line 1.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR2

Bit 2: Event Mask on line 2.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR3

Bit 3: Event Mask on line 3.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR4

Bit 4: Event Mask on line 4.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR5

Bit 5: Event Mask on line 5.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR6

Bit 6: Event Mask on line 6.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR7

Bit 7: Event Mask on line 7.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR8

Bit 8: Event Mask on line 8.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR9

Bit 9: Event Mask on line 9.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR10

Bit 10: Event Mask on line 10.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR11

Bit 11: Event Mask on line 11.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR12

Bit 12: Event Mask on line 12.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR13

Bit 13: Event Mask on line 13.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR14

Bit 14: Event Mask on line 14.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR15

Bit 15: Event Mask on line 15.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR16

Bit 16: Event Mask on line 16.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

MR17

Bit 17: Event Mask on line 17.

Allowed values:
0: Masked: Interrupt request line is masked
1: Unmasked: Interrupt request line is unmasked

RTSR

Rising Trigger selection register (EXTI_RTSR)

Offset: 0x8, reset: 0x00000000, access: read-write

18/18 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
TR17
rw 		TR16
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TR15
rw 		TR14
rw 		TR13
rw 		TR12
rw 		TR11
rw 		TR10
rw 		TR9
rw 		TR8
rw 		TR7
rw 		TR6
rw 		TR5
rw 		TR4
rw 		TR3
rw 		TR2
rw 		TR1
rw 		TR0
rw
Toggle Fields

TR0

Bit 0: Rising trigger event configuration of line 0.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR1

Bit 1: Rising trigger event configuration of line 1.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR2

Bit 2: Rising trigger event configuration of line 2.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR3

Bit 3: Rising trigger event configuration of line 3.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR4

Bit 4: Rising trigger event configuration of line 4.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR5

Bit 5: Rising trigger event configuration of line 5.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR6

Bit 6: Rising trigger event configuration of line 6.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR7

Bit 7: Rising trigger event configuration of line 7.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR8

Bit 8: Rising trigger event configuration of line 8.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR9

Bit 9: Rising trigger event configuration of line 9.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR10

Bit 10: Rising trigger event configuration of line 10.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR11

Bit 11: Rising trigger event configuration of line 11.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR12

Bit 12: Rising trigger event configuration of line 12.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR13

Bit 13: Rising trigger event configuration of line 13.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR14

Bit 14: Rising trigger event configuration of line 14.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR15

Bit 15: Rising trigger event configuration of line 15.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR16

Bit 16: Rising trigger event configuration of line 16.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

TR17

Bit 17: Rising trigger event configuration of line 17.

Allowed values:
0: Disabled: Rising edge trigger is disabled
1: Enabled: Rising edge trigger is enabled

FTSR

Falling Trigger selection register (EXTI_FTSR)

Offset: 0xc, reset: 0x00000000, access: read-write

18/18 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
TR17
rw 		TR16
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TR15
rw 		TR14
rw 		TR13
rw 		TR12
rw 		TR11
rw 		TR10
rw 		TR9
rw 		TR8
rw 		TR7
rw 		TR6
rw 		TR5
rw 		TR4
rw 		TR3
rw 		TR2
rw 		TR1
rw 		TR0
rw
Toggle Fields

TR0

Bit 0: Falling trigger event configuration of line 0.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR1

Bit 1: Falling trigger event configuration of line 1.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR2

Bit 2: Falling trigger event configuration of line 2.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR3

Bit 3: Falling trigger event configuration of line 3.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR4

Bit 4: Falling trigger event configuration of line 4.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR5

Bit 5: Falling trigger event configuration of line 5.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR6

Bit 6: Falling trigger event configuration of line 6.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR7

Bit 7: Falling trigger event configuration of line 7.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR8

Bit 8: Falling trigger event configuration of line 8.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR9

Bit 9: Falling trigger event configuration of line 9.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR10

Bit 10: Falling trigger event configuration of line 10.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR11

Bit 11: Falling trigger event configuration of line 11.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR12

Bit 12: Falling trigger event configuration of line 12.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR13

Bit 13: Falling trigger event configuration of line 13.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR14

Bit 14: Falling trigger event configuration of line 14.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR15

Bit 15: Falling trigger event configuration of line 15.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR16

Bit 16: Falling trigger event configuration of line 16.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

TR17

Bit 17: Falling trigger event configuration of line 17.

Allowed values:
0: Disabled: Falling edge trigger is disabled
1: Enabled: Falling edge trigger is enabled

SWIER

Software interrupt event register (EXTI_SWIER)

Offset: 0x10, reset: 0x00000000, access: read-write

18/18 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
SWIER17
rw 		SWIER16
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SWIER15
rw 		SWIER14
rw 		SWIER13
rw 		SWIER12
rw 		SWIER11
rw 		SWIER10
rw 		SWIER9
rw 		SWIER8
rw 		SWIER7
rw 		SWIER6
rw 		SWIER5
rw 		SWIER4
rw 		SWIER3
rw 		SWIER2
rw 		SWIER1
rw 		SWIER0
rw
Toggle Fields

SWIER0

Bit 0: Software Interrupt on line 0.

Allowed values:
1: Pend: Generates an interrupt request

SWIER1

Bit 1: Software Interrupt on line 1.

Allowed values:
1: Pend: Generates an interrupt request

SWIER2

Bit 2: Software Interrupt on line 2.

Allowed values:
1: Pend: Generates an interrupt request

SWIER3

Bit 3: Software Interrupt on line 3.

Allowed values:
1: Pend: Generates an interrupt request

SWIER4

Bit 4: Software Interrupt on line 4.

Allowed values:
1: Pend: Generates an interrupt request

SWIER5

Bit 5: Software Interrupt on line 5.

Allowed values:
1: Pend: Generates an interrupt request

SWIER6

Bit 6: Software Interrupt on line 6.

Allowed values:
1: Pend: Generates an interrupt request

SWIER7

Bit 7: Software Interrupt on line 7.

Allowed values:
1: Pend: Generates an interrupt request

SWIER8

Bit 8: Software Interrupt on line 8.

Allowed values:
1: Pend: Generates an interrupt request

SWIER9

Bit 9: Software Interrupt on line 9.

Allowed values:
1: Pend: Generates an interrupt request

SWIER10

Bit 10: Software Interrupt on line 10.

Allowed values:
1: Pend: Generates an interrupt request

SWIER11

Bit 11: Software Interrupt on line 11.

Allowed values:
1: Pend: Generates an interrupt request

SWIER12

Bit 12: Software Interrupt on line 12.

Allowed values:
1: Pend: Generates an interrupt request

SWIER13

Bit 13: Software Interrupt on line 13.

Allowed values:
1: Pend: Generates an interrupt request

SWIER14

Bit 14: Software Interrupt on line 14.

Allowed values:
1: Pend: Generates an interrupt request

SWIER15

Bit 15: Software Interrupt on line 15.

Allowed values:
1: Pend: Generates an interrupt request

SWIER16

Bit 16: Software Interrupt on line 16.

Allowed values:
1: Pend: Generates an interrupt request

SWIER17

Bit 17: Software Interrupt on line 17.

Allowed values:
1: Pend: Generates an interrupt request

PR

Pending register (EXTI_PR)

Offset: 0x14, reset: 0x00000000, access: read-write

18/18 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PR17
rw 		PR16
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PR15
rw 		PR14
rw 		PR13
rw 		PR12
rw 		PR11
rw 		PR10
rw 		PR9
rw 		PR8
rw 		PR7
rw 		PR6
rw 		PR5
rw 		PR4
rw 		PR3
rw 		PR2
rw 		PR1
rw 		PR0
rw
Toggle Fields

PR0

Bit 0: Pending bit 0.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR1

Bit 1: Pending bit 1.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR2

Bit 2: Pending bit 2.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR3

Bit 3: Pending bit 3.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR4

Bit 4: Pending bit 4.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR5

Bit 5: Pending bit 5.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR6

Bit 6: Pending bit 6.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR7

Bit 7: Pending bit 7.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR8

Bit 8: Pending bit 8.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR9

Bit 9: Pending bit 9.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR10

Bit 10: Pending bit 10.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR11

Bit 11: Pending bit 11.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR12

Bit 12: Pending bit 12.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR13

Bit 13: Pending bit 13.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR14

Bit 14: Pending bit 14.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR15

Bit 15: Pending bit 15.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR16

Bit 16: Pending bit 16.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

PR17

Bit 17: Pending bit 17.

Allowed values:
0: NotPending: No trigger request occurred
1: Pending: Selected trigger request occurred

FLASH

0x40022000: FLASH

9/26 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 ACR
0x4 KEYR
0x8 OPTKEYR
0xc SR
0x10 CR
0x14 AR
0x1c OBR
0x20 WRPR

ACR

Flash access control register

Offset: 0x0, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
HLFCYA
rw
Toggle Fields

HLFCYA

Bit 3: Flash half cycle access enable.

KEYR

Flash key register

Offset: 0x4, reset: 0x00000000, access: write-only

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
KEY
w
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
KEY
w
Toggle Fields

KEY

Bits 0-31: FPEC key.

OPTKEYR

Flash option key register

Offset: 0x8, reset: 0x00000000, access: write-only

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
OPTKEY
w
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPTKEY
w
Toggle Fields

OPTKEY

Bits 0-31: Option byte key.

SR

Status register

Offset: 0xc, reset: 0x00000000, access: Unspecified

1/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
EOP
rw 		WRPRTERR
rw 		PGERR
rw 		BSY
r
Toggle Fields

BSY

Bit 0: Busy.

PGERR

Bit 2: Programming error.

WRPRTERR

Bit 4: Write protection error.

EOP

Bit 5: End of operation.

CR

Control register

Offset: 0x10, reset: 0x00000080, access: read-write

0/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
EOPIE
rw 		ERRIE
rw 		OPTWRE
rw 		LOCK
rw 		STRT
rw 		OPTER
rw 		OPTPG
rw 		MER
rw 		PER
rw 		PG
rw
Toggle Fields

PG

Bit 0: Programming.

PER

Bit 1: Page Erase.

MER

Bit 2: Mass Erase.

OPTPG

Bit 4: Option byte programming.

OPTER

Bit 5: Option byte erase.

STRT

Bit 6: Start.

LOCK

Bit 7: Lock.

OPTWRE

Bit 9: Option bytes write enable.

ERRIE

Bit 10: Error interrupt enable.

EOPIE

Bit 12: End of operation interrupt enable.

AR

Flash address register

Offset: 0x14, reset: 0x00000000, access: write-only

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
FAR
w
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
FAR
w
Toggle Fields

FAR

Bits 0-31: Flash Address.

OBR

Option byte register

Offset: 0x1c, reset: 0x03FFFFFC, access: read-only

7/7 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Data1
r 		Data0
r
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Data0
r 		nRST_STDBY
r 		nRST_STOP
r 		WDG_SW
r 		RDPRT
r 		OPTERR
r
Toggle Fields

OPTERR

Bit 0: Option byte error.

RDPRT

Bit 1: Read protection.

WDG_SW

Bit 2: WDG_SW.

nRST_STOP

Bit 3: nRST_STOP.

nRST_STDBY

Bit 4: nRST_STDBY.

Data0

Bits 10-17: Data0.

Data1

Bits 18-25: Data1.

WRPR

Write protection register

Offset: 0x20, reset: 0xFFFFFFFF, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
WRP
r
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
WRP
r
Toggle Fields

WRP

Bits 0-31: Write protect.

FSMC

0xa0000000: Flexible static memory controller

104/116 fields covered. Toggle Registers

Show register map

BCR1

SRAM/NOR-Flash chip-select control register 1

Offset: 0x0, reset: 0x000030D0, access: read-write

14/15 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CBURSTRW
rw 		CPSIZE
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ASYNCWAIT
rw 		EXTMOD
rw 		WAITEN
rw 		WREN
rw 		WAITCFG
rw 		WRAPMOD
rw 		WAITPOL
rw 		BURSTEN
rw 		FACCEN
rw 		MWID
rw 		MTYP
rw 		MUXEN
rw 		MBKEN
rw
Toggle Fields

MBKEN

Bit 0: MBKEN.

Allowed values:
0: Disabled: Corresponding memory bank is disabled
1: Enabled: Corresponding memory bank is enabled

MUXEN

Bit 1: MUXEN.

Allowed values:
0: Disabled: Address/Data non-multiplexed
1: Enabled: Address/Data multiplexed on databus

MTYP

Bits 2-3: MTYP.

Allowed values:
0: SRAM: SRAM memory type
1: PSRAM: PSRAM (CRAM) memory type
2: Flash: NOR Flash/OneNAND Flash

MWID

Bits 4-5: MWID.

Allowed values:
0: Bits8: Memory data bus width 8 bits
1: Bits16: Memory data bus width 16 bits
2: Bits32: Memory data bus width 32 bits

FACCEN

Bit 6: FACCEN.

Allowed values:
0: Disabled: Corresponding NOR Flash memory access is disabled
1: Enabled: Corresponding NOR Flash memory access is enabled

BURSTEN

Bit 8: BURSTEN.

Allowed values:
0: Disabled: Burst mode disabled
1: Enabled: Burst mode enabled

WAITPOL

Bit 9: WAITPOL.

Allowed values:
0: ActiveLow: NWAIT active low
1: ActiveHigh: NWAIT active high

WRAPMOD

Bit 10: WRAPMOD.

WAITCFG

Bit 11: WAITCFG.

Allowed values:
0: BeforeWaitState: NWAIT signal is active one data cycle before wait state
1: DuringWaitState: NWAIT signal is active during wait state

WREN

Bit 12: WREN.

Allowed values:
0: Disabled: Write operations disabled for the bank by the FMC
1: Enabled: Write operations enabled for the bank by the FMC

WAITEN

Bit 13: WAITEN.

Allowed values:
0: Disabled: Values inside the FMC_BWTR are taken into account
1: Enabled: NWAIT signal enabled

EXTMOD

Bit 14: EXTMOD.

Allowed values:
0: Disabled: Values inside the FMC_BWTR are not taken into account
1: Enabled: Values inside the FMC_BWTR are taken into account

ASYNCWAIT

Bit 15: ASYNCWAIT.

Allowed values:
0: Disabled: Wait signal not used in asynchronous mode
1: Enabled: Wait signal used even in asynchronous mode

CPSIZE

Bits 16-18: CRAM page size.

Allowed values:
0: NoBurstSplit: No burst split when crossing page boundary
1: Bytes128: 128 bytes CRAM page size
2: Bytes256: 256 bytes CRAM page size
3: Bytes512: 512 bytes CRAM page size
4: Bytes1024: 1024 bytes CRAM page size

CBURSTRW

Bit 19: CBURSTRW.

Allowed values:
1: Enabled: Write operations are performed in synchronous mode
0: Disabled: Write operations are always performed in asynchronous mode

BTR[1]

SRAM/NOR-Flash chip-select timing register 1

Offset: 0x4, reset: 0xFFFFFFFF, access: read-write

7/7 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
ACCMOD
rw 		DATLAT
rw 		CLKDIV
rw 		BUSTURN
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DATAST
rw 		ADDHLD
rw 		ADDSET
rw
Toggle Fields

ADDSET

Bits 0-3: ADDSET.

Allowed values: 0x0-0xf

ADDHLD

Bits 4-7: ADDHLD.

Allowed values: 0x1-0xf

DATAST

Bits 8-15: DATAST.

Allowed values: 0x1-0xff

BUSTURN

Bits 16-19: BUSTURN.

Allowed values: 0x0-0xf

CLKDIV

Bits 20-23: CLKDIV.

Allowed values: 0x1-0xf

DATLAT

Bits 24-27: DATLAT.

Allowed values: 0x0-0xf

ACCMOD

Bits 28-29: ACCMOD.

Allowed values:
0: A: Access mode A
1: B: Access mode B
2: C: Access mode C
3: D: Access mode D

BCR[2]

SRAM/NOR-Flash chip-select control register 2

Offset: 0x8, reset: 0x000030D0, access: read-write

14/15 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CBURSTRW
rw 		CPSIZE
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ASYNCWAIT
rw 		EXTMOD
rw 		WAITEN
rw 		WREN
rw 		WAITCFG
rw 		WRAPMOD
rw 		WAITPOL
rw 		BURSTEN
rw 		FACCEN
rw 		MWID
rw 		MTYP
rw 		MUXEN
rw 		MBKEN
rw
Toggle Fields

MBKEN

Bit 0: MBKEN.

Allowed values:
0: Disabled: Corresponding memory bank is disabled
1: Enabled: Corresponding memory bank is enabled

MUXEN

Bit 1: MUXEN.

Allowed values:
0: Disabled: Address/Data non-multiplexed
1: Enabled: Address/Data multiplexed on databus

MTYP

Bits 2-3: MTYP.

Allowed values:
0: SRAM: SRAM memory type
1: PSRAM: PSRAM (CRAM) memory type
2: Flash: NOR Flash/OneNAND Flash

MWID

Bits 4-5: MWID.

Allowed values:
0: Bits8: Memory data bus width 8 bits
1: Bits16: Memory data bus width 16 bits
2: Bits32: Memory data bus width 32 bits

FACCEN

Bit 6: FACCEN.

Allowed values:
0: Disabled: Corresponding NOR Flash memory access is disabled
1: Enabled: Corresponding NOR Flash memory access is enabled

BURSTEN

Bit 8: BURSTEN.

Allowed values:
0: Disabled: Burst mode disabled
1: Enabled: Burst mode enabled

WAITPOL

Bit 9: WAITPOL.

Allowed values:
0: ActiveLow: NWAIT active low
1: ActiveHigh: NWAIT active high

WRAPMOD

Bit 10: WRAPMOD.

WAITCFG

Bit 11: WAITCFG.

Allowed values:
0: BeforeWaitState: NWAIT signal is active one data cycle before wait state
1: DuringWaitState: NWAIT signal is active during wait state

WREN

Bit 12: WREN.

Allowed values:
0: Disabled: Write operations disabled for the bank by the FMC
1: Enabled: Write operations enabled for the bank by the FMC

WAITEN

Bit 13: WAITEN.

Allowed values:
0: Disabled: Values inside the FMC_BWTR are taken into account
1: Enabled: NWAIT signal enabled

EXTMOD

Bit 14: EXTMOD.

Allowed values:
0: Disabled: Values inside the FMC_BWTR are not taken into account
1: Enabled: Values inside the FMC_BWTR are taken into account

ASYNCWAIT

Bit 15: ASYNCWAIT.

Allowed values:
0: Disabled: Wait signal not used in asynchronous mode
1: Enabled: Wait signal used even in asynchronous mode

CPSIZE

Bits 16-18: CRAM page size.

Allowed values:
0: NoBurstSplit: No burst split when crossing page boundary
1: Bytes128: 128 bytes CRAM page size
2: Bytes256: 256 bytes CRAM page size
3: Bytes512: 512 bytes CRAM page size
4: Bytes1024: 1024 bytes CRAM page size

CBURSTRW

Bit 19: CBURSTRW.

Allowed values:
1: Enabled: Write operations are performed in synchronous mode
0: Disabled: Write operations are always performed in asynchronous mode

BTR[2]

SRAM/NOR-Flash chip-select timing register 1

Offset: 0xc, reset: 0xFFFFFFFF, access: read-write

7/7 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
ACCMOD
rw 		DATLAT
rw 		CLKDIV
rw 		BUSTURN
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DATAST
rw 		ADDHLD
rw 		ADDSET
rw
Toggle Fields

ADDSET

Bits 0-3: ADDSET.

Allowed values: 0x0-0xf

ADDHLD

Bits 4-7: ADDHLD.

Allowed values: 0x1-0xf

DATAST

Bits 8-15: DATAST.

Allowed values: 0x1-0xff

BUSTURN

Bits 16-19: BUSTURN.

Allowed values: 0x0-0xf

CLKDIV

Bits 20-23: CLKDIV.

Allowed values: 0x1-0xf

DATLAT

Bits 24-27: DATLAT.

Allowed values: 0x0-0xf

ACCMOD

Bits 28-29: ACCMOD.

Allowed values:
0: A: Access mode A
1: B: Access mode B
2: C: Access mode C
3: D: Access mode D

BCR[3]

SRAM/NOR-Flash chip-select control register 2

Offset: 0x10, reset: 0x000030D0, access: read-write

14/15 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CBURSTRW
rw 		CPSIZE
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ASYNCWAIT
rw 		EXTMOD
rw 		WAITEN
rw 		WREN
rw 		WAITCFG
rw 		WRAPMOD
rw 		WAITPOL
rw 		BURSTEN
rw 		FACCEN
rw 		MWID
rw 		MTYP
rw 		MUXEN
rw 		MBKEN
rw
Toggle Fields

MBKEN

Bit 0: MBKEN.

Allowed values:
0: Disabled: Corresponding memory bank is disabled
1: Enabled: Corresponding memory bank is enabled

MUXEN

Bit 1: MUXEN.

Allowed values:
0: Disabled: Address/Data non-multiplexed
1: Enabled: Address/Data multiplexed on databus

MTYP

Bits 2-3: MTYP.

Allowed values:
0: SRAM: SRAM memory type
1: PSRAM: PSRAM (CRAM) memory type
2: Flash: NOR Flash/OneNAND Flash

MWID

Bits 4-5: MWID.

Allowed values:
0: Bits8: Memory data bus width 8 bits
1: Bits16: Memory data bus width 16 bits
2: Bits32: Memory data bus width 32 bits

FACCEN

Bit 6: FACCEN.

Allowed values:
0: Disabled: Corresponding NOR Flash memory access is disabled
1: Enabled: Corresponding NOR Flash memory access is enabled

BURSTEN

Bit 8: BURSTEN.

Allowed values:
0: Disabled: Burst mode disabled
1: Enabled: Burst mode enabled

WAITPOL

Bit 9: WAITPOL.

Allowed values:
0: ActiveLow: NWAIT active low
1: ActiveHigh: NWAIT active high

WRAPMOD

Bit 10: WRAPMOD.

WAITCFG

Bit 11: WAITCFG.

Allowed values:
0: BeforeWaitState: NWAIT signal is active one data cycle before wait state
1: DuringWaitState: NWAIT signal is active during wait state

WREN

Bit 12: WREN.

Allowed values:
0: Disabled: Write operations disabled for the bank by the FMC
1: Enabled: Write operations enabled for the bank by the FMC

WAITEN

Bit 13: WAITEN.

Allowed values:
0: Disabled: Values inside the FMC_BWTR are taken into account
1: Enabled: NWAIT signal enabled

EXTMOD

Bit 14: EXTMOD.

Allowed values:
0: Disabled: Values inside the FMC_BWTR are not taken into account
1: Enabled: Values inside the FMC_BWTR are taken into account

ASYNCWAIT

Bit 15: ASYNCWAIT.

Allowed values:
0: Disabled: Wait signal not used in asynchronous mode
1: Enabled: Wait signal used even in asynchronous mode

CPSIZE

Bits 16-18: CRAM page size.

Allowed values:
0: NoBurstSplit: No burst split when crossing page boundary
1: Bytes128: 128 bytes CRAM page size
2: Bytes256: 256 bytes CRAM page size
3: Bytes512: 512 bytes CRAM page size
4: Bytes1024: 1024 bytes CRAM page size

CBURSTRW

Bit 19: CBURSTRW.

Allowed values:
1: Enabled: Write operations are performed in synchronous mode
0: Disabled: Write operations are always performed in asynchronous mode

BTR[3]

SRAM/NOR-Flash chip-select timing register 1

Offset: 0x14, reset: 0xFFFFFFFF, access: read-write

7/7 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
ACCMOD
rw 		DATLAT
rw 		CLKDIV
rw 		BUSTURN
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DATAST
rw 		ADDHLD
rw 		ADDSET
rw
Toggle Fields

ADDSET

Bits 0-3: ADDSET.

Allowed values: 0x0-0xf

ADDHLD

Bits 4-7: ADDHLD.

Allowed values: 0x1-0xf

DATAST

Bits 8-15: DATAST.

Allowed values: 0x1-0xff

BUSTURN

Bits 16-19: BUSTURN.

Allowed values: 0x0-0xf

CLKDIV

Bits 20-23: CLKDIV.

Allowed values: 0x1-0xf

DATLAT

Bits 24-27: DATLAT.

Allowed values: 0x0-0xf

ACCMOD

Bits 28-29: ACCMOD.

Allowed values:
0: A: Access mode A
1: B: Access mode B
2: C: Access mode C
3: D: Access mode D

BCR[4]

SRAM/NOR-Flash chip-select control register 2

Offset: 0x18, reset: 0x000030D0, access: read-write

14/15 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CBURSTRW
rw 		CPSIZE
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ASYNCWAIT
rw 		EXTMOD
rw 		WAITEN
rw 		WREN
rw 		WAITCFG
rw 		WRAPMOD
rw 		WAITPOL
rw 		BURSTEN
rw 		FACCEN
rw 		MWID
rw 		MTYP
rw 		MUXEN
rw 		MBKEN
rw
Toggle Fields

MBKEN

Bit 0: MBKEN.

Allowed values:
0: Disabled: Corresponding memory bank is disabled
1: Enabled: Corresponding memory bank is enabled

MUXEN

Bit 1: MUXEN.

Allowed values:
0: Disabled: Address/Data non-multiplexed
1: Enabled: Address/Data multiplexed on databus

MTYP

Bits 2-3: MTYP.

Allowed values:
0: SRAM: SRAM memory type
1: PSRAM: PSRAM (CRAM) memory type
2: Flash: NOR Flash/OneNAND Flash

MWID

Bits 4-5: MWID.

Allowed values:
0: Bits8: Memory data bus width 8 bits
1: Bits16: Memory data bus width 16 bits
2: Bits32: Memory data bus width 32 bits

FACCEN

Bit 6: FACCEN.

Allowed values:
0: Disabled: Corresponding NOR Flash memory access is disabled
1: Enabled: Corresponding NOR Flash memory access is enabled

BURSTEN

Bit 8: BURSTEN.

Allowed values:
0: Disabled: Burst mode disabled
1: Enabled: Burst mode enabled

WAITPOL

Bit 9: WAITPOL.

Allowed values:
0: ActiveLow: NWAIT active low
1: ActiveHigh: NWAIT active high

WRAPMOD

Bit 10: WRAPMOD.

WAITCFG

Bit 11: WAITCFG.

Allowed values:
0: BeforeWaitState: NWAIT signal is active one data cycle before wait state
1: DuringWaitState: NWAIT signal is active during wait state

WREN

Bit 12: WREN.

Allowed values:
0: Disabled: Write operations disabled for the bank by the FMC
1: Enabled: Write operations enabled for the bank by the FMC

WAITEN

Bit 13: WAITEN.

Allowed values:
0: Disabled: Values inside the FMC_BWTR are taken into account
1: Enabled: NWAIT signal enabled

EXTMOD

Bit 14: EXTMOD.

Allowed values:
0: Disabled: Values inside the FMC_BWTR are not taken into account
1: Enabled: Values inside the FMC_BWTR are taken into account

ASYNCWAIT

Bit 15: ASYNCWAIT.

Allowed values:
0: Disabled: Wait signal not used in asynchronous mode
1: Enabled: Wait signal used even in asynchronous mode

CPSIZE

Bits 16-18: CRAM page size.

Allowed values:
0: NoBurstSplit: No burst split when crossing page boundary
1: Bytes128: 128 bytes CRAM page size
2: Bytes256: 256 bytes CRAM page size
3: Bytes512: 512 bytes CRAM page size
4: Bytes1024: 1024 bytes CRAM page size

CBURSTRW

Bit 19: CBURSTRW.

Allowed values:
1: Enabled: Write operations are performed in synchronous mode
0: Disabled: Write operations are always performed in asynchronous mode

BTR[4]

SRAM/NOR-Flash chip-select timing register 1

Offset: 0x1c, reset: 0xFFFFFFFF, access: read-write

7/7 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
ACCMOD
rw 		DATLAT
rw 		CLKDIV
rw 		BUSTURN
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DATAST
rw 		ADDHLD
rw 		ADDSET
rw
Toggle Fields

ADDSET

Bits 0-3: ADDSET.

Allowed values: 0x0-0xf

ADDHLD

Bits 4-7: ADDHLD.

Allowed values: 0x1-0xf

DATAST

Bits 8-15: DATAST.

Allowed values: 0x1-0xff

BUSTURN

Bits 16-19: BUSTURN.

Allowed values: 0x0-0xf

CLKDIV

Bits 20-23: CLKDIV.

Allowed values: 0x1-0xf

DATLAT

Bits 24-27: DATLAT.

Allowed values: 0x0-0xf

ACCMOD

Bits 28-29: ACCMOD.

Allowed values:
0: A: Access mode A
1: B: Access mode B
2: C: Access mode C
3: D: Access mode D

BWTR[1]

SRAM/NOR-Flash write timing registers 1

Offset: 0x104, reset: 0x0FFFFFFF, access: read-write

5/7 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
ACCMOD
rw 		DATLAT
rw 		CLKDIV
rw 		BUSTURN
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DATAST
rw 		ADDHLD
rw 		ADDSET
rw
Toggle Fields

ADDSET

Bits 0-3: ADDSET.

Allowed values: 0x0-0xf

ADDHLD

Bits 4-7: ADDHLD.

Allowed values: 0x1-0xf

DATAST

Bits 8-15: DATAST.

Allowed values: 0x1-0xff

BUSTURN

Bits 16-19: Bus turnaround phase duration.

Allowed values: 0x0-0xf

CLKDIV

Bits 20-23: CLKDIV.

DATLAT

Bits 24-27: DATLAT.

ACCMOD

Bits 28-29: ACCMOD.

Allowed values:
0: A: Access mode A
1: B: Access mode B
2: C: Access mode C
3: D: Access mode D

BWTR[2]

SRAM/NOR-Flash write timing registers 1

Offset: 0x10c, reset: 0x0FFFFFFF, access: read-write

5/7 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
ACCMOD
rw 		DATLAT
rw 		CLKDIV
rw 		BUSTURN
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DATAST
rw 		ADDHLD
rw 		ADDSET
rw
Toggle Fields

ADDSET

Bits 0-3: ADDSET.

Allowed values: 0x0-0xf

ADDHLD

Bits 4-7: ADDHLD.

Allowed values: 0x1-0xf

DATAST

Bits 8-15: DATAST.

Allowed values: 0x1-0xff

BUSTURN

Bits 16-19: Bus turnaround phase duration.

Allowed values: 0x0-0xf

CLKDIV

Bits 20-23: CLKDIV.

DATLAT

Bits 24-27: DATLAT.

ACCMOD

Bits 28-29: ACCMOD.

Allowed values:
0: A: Access mode A
1: B: Access mode B
2: C: Access mode C
3: D: Access mode D

BWTR[3]

SRAM/NOR-Flash write timing registers 1

Offset: 0x114, reset: 0x0FFFFFFF, access: read-write

5/7 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
ACCMOD
rw 		DATLAT
rw 		CLKDIV
rw 		BUSTURN
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DATAST
rw 		ADDHLD
rw 		ADDSET
rw
Toggle Fields

ADDSET

Bits 0-3: ADDSET.

Allowed values: 0x0-0xf

ADDHLD

Bits 4-7: ADDHLD.

Allowed values: 0x1-0xf

DATAST

Bits 8-15: DATAST.

Allowed values: 0x1-0xff

BUSTURN

Bits 16-19: Bus turnaround phase duration.

Allowed values: 0x0-0xf

CLKDIV

Bits 20-23: CLKDIV.

DATLAT

Bits 24-27: DATLAT.

ACCMOD

Bits 28-29: ACCMOD.

Allowed values:
0: A: Access mode A
1: B: Access mode B
2: C: Access mode C
3: D: Access mode D

BWTR[4]

SRAM/NOR-Flash write timing registers 1

Offset: 0x11c, reset: 0x0FFFFFFF, access: read-write

5/7 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
ACCMOD
rw 		DATLAT
rw 		CLKDIV
rw 		BUSTURN
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DATAST
rw 		ADDHLD
rw 		ADDSET
rw
Toggle Fields

ADDSET

Bits 0-3: ADDSET.

Allowed values: 0x0-0xf

ADDHLD

Bits 4-7: ADDHLD.

Allowed values: 0x1-0xf

DATAST

Bits 8-15: DATAST.

Allowed values: 0x1-0xff

BUSTURN

Bits 16-19: Bus turnaround phase duration.

Allowed values: 0x0-0xf

CLKDIV

Bits 20-23: CLKDIV.

DATLAT

Bits 24-27: DATLAT.

ACCMOD

Bits 28-29: ACCMOD.

Allowed values:
0: A: Access mode A
1: B: Access mode B
2: C: Access mode C
3: D: Access mode D

GPIOA

0x40010800: General purpose I/O

129/129 fields covered. Toggle Registers

Show register map

CRL

Port configuration register low (GPIOn_CRL)

Offset: 0x0, reset: 0x44444444, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CNF7
rw 		MODE7
rw 		CNF6
rw 		MODE6
rw 		CNF5
rw 		MODE5
rw 		CNF4
rw 		MODE4
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNF3
rw 		MODE3
rw 		CNF2
rw 		MODE2
rw 		CNF1
rw 		MODE1
rw 		CNF0
rw 		MODE0
rw
Toggle Fields

MODE0

Bits 0-1: Port n.0 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF0

Bits 2-3: Port n.0 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE1

Bits 4-5: Port n.1 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF1

Bits 6-7: Port n.1 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE2

Bits 8-9: Port n.2 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF2

Bits 10-11: Port n.2 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE3

Bits 12-13: Port n.3 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF3

Bits 14-15: Port n.3 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE4

Bits 16-17: Port n.4 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF4

Bits 18-19: Port n.4 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE5

Bits 20-21: Port n.5 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF5

Bits 22-23: Port n.5 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE6

Bits 24-25: Port n.6 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF6

Bits 26-27: Port n.6 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE7

Bits 28-29: Port n.7 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF7

Bits 30-31: Port n.7 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

CRH

Port configuration register high (GPIOn_CRL)

Offset: 0x4, reset: 0x44444444, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CNF15
rw 		MODE15
rw 		CNF14
rw 		MODE14
rw 		CNF13
rw 		MODE13
rw 		CNF12
rw 		MODE12
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNF11
rw 		MODE11
rw 		CNF10
rw 		MODE10
rw 		CNF9
rw 		MODE9
rw 		CNF8
rw 		MODE8
rw
Toggle Fields

MODE8

Bits 0-1: Port n.8 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF8

Bits 2-3: Port n.8 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE9

Bits 4-5: Port n.9 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF9

Bits 6-7: Port n.9 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE10

Bits 8-9: Port n.10 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF10

Bits 10-11: Port n.10 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE11

Bits 12-13: Port n.11 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF11

Bits 14-15: Port n.11 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE12

Bits 16-17: Port n.12 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF12

Bits 18-19: Port n.12 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE13

Bits 20-21: Port n.13 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF13

Bits 22-23: Port n.13 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE14

Bits 24-25: Port n.14 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF14

Bits 26-27: Port n.14 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE15

Bits 28-29: Port n.15 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF15

Bits 30-31: Port n.15 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

IDR

Port input data register (GPIOn_IDR)

Offset: 0x8, reset: 0x00000000, access: read-only

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IDR15
r 		IDR14
r 		IDR13
r 		IDR12
r 		IDR11
r 		IDR10
r 		IDR9
r 		IDR8
r 		IDR7
r 		IDR6
r 		IDR5
r 		IDR4
r 		IDR3
r 		IDR2
r 		IDR1
r 		IDR0
r
Toggle Fields

IDR0

Bit 0: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR1

Bit 1: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR2

Bit 2: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR3

Bit 3: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR4

Bit 4: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR5

Bit 5: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR6

Bit 6: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR7

Bit 7: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR8

Bit 8: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR9

Bit 9: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR10

Bit 10: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR11

Bit 11: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR12

Bit 12: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR13

Bit 13: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR14

Bit 14: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR15

Bit 15: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

ODR

Port output data register (GPIOn_ODR)

Offset: 0xc, reset: 0x00000000, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ODR15
rw 		ODR14
rw 		ODR13
rw 		ODR12
rw 		ODR11
rw 		ODR10
rw 		ODR9
rw 		ODR8
rw 		ODR7
rw 		ODR6
rw 		ODR5
rw 		ODR4
rw 		ODR3
rw 		ODR2
rw 		ODR1
rw 		ODR0
rw
Toggle Fields

ODR0

Bit 0: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR1

Bit 1: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR2

Bit 2: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR3

Bit 3: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR4

Bit 4: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR5

Bit 5: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR6

Bit 6: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR7

Bit 7: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR8

Bit 8: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR9

Bit 9: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR10

Bit 10: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR11

Bit 11: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR12

Bit 12: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR13

Bit 13: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR14

Bit 14: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR15

Bit 15: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

BSRR

Port bit set/reset register (GPIOn_BSRR)

Offset: 0x10, reset: 0x00000000, access: write-only

32/32 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
BR15
w 		BR14
w 		BR13
w 		BR12
w 		BR11
w 		BR10
w 		BR9
w 		BR8
w 		BR7
w 		BR6
w 		BR5
w 		BR4
w 		BR3
w 		BR2
w 		BR1
w 		BR0
w
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BS15
w 		BS14
w 		BS13
w 		BS12
w 		BS11
w 		BS10
w 		BS9
w 		BS8
w 		BS7
w 		BS6
w 		BS5
w 		BS4
w 		BS3
w 		BS2
w 		BS1
w 		BS0
w
Toggle Fields

BS0

Bit 0: Set bit 0.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS1

Bit 1: Set bit 1.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS2

Bit 2: Set bit 1.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS3

Bit 3: Set bit 3.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS4

Bit 4: Set bit 4.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS5

Bit 5: Set bit 5.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS6

Bit 6: Set bit 6.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS7

Bit 7: Set bit 7.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS8

Bit 8: Set bit 8.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS9

Bit 9: Set bit 9.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS10

Bit 10: Set bit 10.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS11

Bit 11: Set bit 11.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS12

Bit 12: Set bit 12.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS13

Bit 13: Set bit 13.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS14

Bit 14: Set bit 14.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS15

Bit 15: Set bit 15.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BR0

Bit 16: Reset bit 0.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR1

Bit 17: Reset bit 1.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR2

Bit 18: Reset bit 2.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR3

Bit 19: Reset bit 3.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR4

Bit 20: Reset bit 4.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR5

Bit 21: Reset bit 5.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR6

Bit 22: Reset bit 6.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR7

Bit 23: Reset bit 7.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR8

Bit 24: Reset bit 8.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR9

Bit 25: Reset bit 9.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR10

Bit 26: Reset bit 10.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR11

Bit 27: Reset bit 11.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR12

Bit 28: Reset bit 12.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR13

Bit 29: Reset bit 13.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR14

Bit 30: Reset bit 14.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR15

Bit 31: Reset bit 15.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BRR

Port bit reset register (GPIOn_BRR)

Offset: 0x14, reset: 0x00000000, access: write-only

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BR15
w 		BR14
w 		BR13
w 		BR12
w 		BR11
w 		BR10
w 		BR9
w 		BR8
w 		BR7
w 		BR6
w 		BR5
w 		BR4
w 		BR3
w 		BR2
w 		BR1
w 		BR0
w
Toggle Fields

BR0

Bit 0: Reset bit 0.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR1

Bit 1: Reset bit 1.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR2

Bit 2: Reset bit 1.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR3

Bit 3: Reset bit 3.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR4

Bit 4: Reset bit 4.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR5

Bit 5: Reset bit 5.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR6

Bit 6: Reset bit 6.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR7

Bit 7: Reset bit 7.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR8

Bit 8: Reset bit 8.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR9

Bit 9: Reset bit 9.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR10

Bit 10: Reset bit 10.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR11

Bit 11: Reset bit 11.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR12

Bit 12: Reset bit 12.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR13

Bit 13: Reset bit 13.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR14

Bit 14: Reset bit 14.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR15

Bit 15: Reset bit 15.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

LCKR

Port configuration lock register

Offset: 0x18, reset: 0x00000000, access: read-write

17/17 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
LCKK
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LCK15
rw 		LCK14
rw 		LCK13
rw 		LCK12
rw 		LCK11
rw 		LCK10
rw 		LCK9
rw 		LCK8
rw 		LCK7
rw 		LCK6
rw 		LCK5
rw 		LCK4
rw 		LCK3
rw 		LCK2
rw 		LCK1
rw 		LCK0
rw
Toggle Fields

LCK0

Bit 0: Port A Lock bit 0.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK1

Bit 1: Port A Lock bit 1.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK2

Bit 2: Port A Lock bit 2.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK3

Bit 3: Port A Lock bit 3.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK4

Bit 4: Port A Lock bit 4.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK5

Bit 5: Port A Lock bit 5.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK6

Bit 6: Port A Lock bit 6.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK7

Bit 7: Port A Lock bit 7.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK8

Bit 8: Port A Lock bit 8.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK9

Bit 9: Port A Lock bit 9.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK10

Bit 10: Port A Lock bit 10.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK11

Bit 11: Port A Lock bit 11.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK12

Bit 12: Port A Lock bit 12.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK13

Bit 13: Port A Lock bit 13.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK14

Bit 14: Port A Lock bit 14.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK15

Bit 15: Port A Lock bit 15.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCKK

Bit 16: Lock key.

Allowed values:
0: NotActive: Port configuration lock key not active
1: Active: Port configuration lock key active

GPIOB

0x40010c00: General purpose I/O

129/129 fields covered. Toggle Registers

Show register map

CRL

Port configuration register low (GPIOn_CRL)

Offset: 0x0, reset: 0x44444444, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CNF7
rw 		MODE7
rw 		CNF6
rw 		MODE6
rw 		CNF5
rw 		MODE5
rw 		CNF4
rw 		MODE4
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNF3
rw 		MODE3
rw 		CNF2
rw 		MODE2
rw 		CNF1
rw 		MODE1
rw 		CNF0
rw 		MODE0
rw
Toggle Fields

MODE0

Bits 0-1: Port n.0 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF0

Bits 2-3: Port n.0 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE1

Bits 4-5: Port n.1 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF1

Bits 6-7: Port n.1 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE2

Bits 8-9: Port n.2 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF2

Bits 10-11: Port n.2 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE3

Bits 12-13: Port n.3 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF3

Bits 14-15: Port n.3 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE4

Bits 16-17: Port n.4 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF4

Bits 18-19: Port n.4 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE5

Bits 20-21: Port n.5 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF5

Bits 22-23: Port n.5 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE6

Bits 24-25: Port n.6 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF6

Bits 26-27: Port n.6 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE7

Bits 28-29: Port n.7 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF7

Bits 30-31: Port n.7 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

CRH

Port configuration register high (GPIOn_CRL)

Offset: 0x4, reset: 0x44444444, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CNF15
rw 		MODE15
rw 		CNF14
rw 		MODE14
rw 		CNF13
rw 		MODE13
rw 		CNF12
rw 		MODE12
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNF11
rw 		MODE11
rw 		CNF10
rw 		MODE10
rw 		CNF9
rw 		MODE9
rw 		CNF8
rw 		MODE8
rw
Toggle Fields

MODE8

Bits 0-1: Port n.8 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF8

Bits 2-3: Port n.8 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE9

Bits 4-5: Port n.9 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF9

Bits 6-7: Port n.9 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE10

Bits 8-9: Port n.10 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF10

Bits 10-11: Port n.10 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE11

Bits 12-13: Port n.11 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF11

Bits 14-15: Port n.11 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE12

Bits 16-17: Port n.12 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF12

Bits 18-19: Port n.12 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE13

Bits 20-21: Port n.13 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF13

Bits 22-23: Port n.13 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE14

Bits 24-25: Port n.14 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF14

Bits 26-27: Port n.14 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE15

Bits 28-29: Port n.15 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF15

Bits 30-31: Port n.15 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

IDR

Port input data register (GPIOn_IDR)

Offset: 0x8, reset: 0x00000000, access: read-only

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IDR15
r 		IDR14
r 		IDR13
r 		IDR12
r 		IDR11
r 		IDR10
r 		IDR9
r 		IDR8
r 		IDR7
r 		IDR6
r 		IDR5
r 		IDR4
r 		IDR3
r 		IDR2
r 		IDR1
r 		IDR0
r
Toggle Fields

IDR0

Bit 0: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR1

Bit 1: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR2

Bit 2: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR3

Bit 3: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR4

Bit 4: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR5

Bit 5: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR6

Bit 6: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR7

Bit 7: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR8

Bit 8: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR9

Bit 9: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR10

Bit 10: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR11

Bit 11: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR12

Bit 12: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR13

Bit 13: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR14

Bit 14: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR15

Bit 15: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

ODR

Port output data register (GPIOn_ODR)

Offset: 0xc, reset: 0x00000000, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ODR15
rw 		ODR14
rw 		ODR13
rw 		ODR12
rw 		ODR11
rw 		ODR10
rw 		ODR9
rw 		ODR8
rw 		ODR7
rw 		ODR6
rw 		ODR5
rw 		ODR4
rw 		ODR3
rw 		ODR2
rw 		ODR1
rw 		ODR0
rw
Toggle Fields

ODR0

Bit 0: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR1

Bit 1: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR2

Bit 2: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR3

Bit 3: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR4

Bit 4: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR5

Bit 5: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR6

Bit 6: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR7

Bit 7: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR8

Bit 8: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR9

Bit 9: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR10

Bit 10: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR11

Bit 11: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR12

Bit 12: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR13

Bit 13: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR14

Bit 14: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR15

Bit 15: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

BSRR

Port bit set/reset register (GPIOn_BSRR)

Offset: 0x10, reset: 0x00000000, access: write-only

32/32 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
BR15
w 		BR14
w 		BR13
w 		BR12
w 		BR11
w 		BR10
w 		BR9
w 		BR8
w 		BR7
w 		BR6
w 		BR5
w 		BR4
w 		BR3
w 		BR2
w 		BR1
w 		BR0
w
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BS15
w 		BS14
w 		BS13
w 		BS12
w 		BS11
w 		BS10
w 		BS9
w 		BS8
w 		BS7
w 		BS6
w 		BS5
w 		BS4
w 		BS3
w 		BS2
w 		BS1
w 		BS0
w
Toggle Fields

BS0

Bit 0: Set bit 0.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS1

Bit 1: Set bit 1.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS2

Bit 2: Set bit 1.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS3

Bit 3: Set bit 3.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS4

Bit 4: Set bit 4.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS5

Bit 5: Set bit 5.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS6

Bit 6: Set bit 6.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS7

Bit 7: Set bit 7.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS8

Bit 8: Set bit 8.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS9

Bit 9: Set bit 9.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS10

Bit 10: Set bit 10.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS11

Bit 11: Set bit 11.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS12

Bit 12: Set bit 12.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS13

Bit 13: Set bit 13.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS14

Bit 14: Set bit 14.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS15

Bit 15: Set bit 15.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BR0

Bit 16: Reset bit 0.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR1

Bit 17: Reset bit 1.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR2

Bit 18: Reset bit 2.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR3

Bit 19: Reset bit 3.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR4

Bit 20: Reset bit 4.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR5

Bit 21: Reset bit 5.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR6

Bit 22: Reset bit 6.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR7

Bit 23: Reset bit 7.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR8

Bit 24: Reset bit 8.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR9

Bit 25: Reset bit 9.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR10

Bit 26: Reset bit 10.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR11

Bit 27: Reset bit 11.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR12

Bit 28: Reset bit 12.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR13

Bit 29: Reset bit 13.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR14

Bit 30: Reset bit 14.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR15

Bit 31: Reset bit 15.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BRR

Port bit reset register (GPIOn_BRR)

Offset: 0x14, reset: 0x00000000, access: write-only

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BR15
w 		BR14
w 		BR13
w 		BR12
w 		BR11
w 		BR10
w 		BR9
w 		BR8
w 		BR7
w 		BR6
w 		BR5
w 		BR4
w 		BR3
w 		BR2
w 		BR1
w 		BR0
w
Toggle Fields

BR0

Bit 0: Reset bit 0.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR1

Bit 1: Reset bit 1.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR2

Bit 2: Reset bit 1.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR3

Bit 3: Reset bit 3.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR4

Bit 4: Reset bit 4.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR5

Bit 5: Reset bit 5.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR6

Bit 6: Reset bit 6.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR7

Bit 7: Reset bit 7.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR8

Bit 8: Reset bit 8.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR9

Bit 9: Reset bit 9.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR10

Bit 10: Reset bit 10.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR11

Bit 11: Reset bit 11.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR12

Bit 12: Reset bit 12.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR13

Bit 13: Reset bit 13.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR14

Bit 14: Reset bit 14.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR15

Bit 15: Reset bit 15.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

LCKR

Port configuration lock register

Offset: 0x18, reset: 0x00000000, access: read-write

17/17 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
LCKK
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LCK15
rw 		LCK14
rw 		LCK13
rw 		LCK12
rw 		LCK11
rw 		LCK10
rw 		LCK9
rw 		LCK8
rw 		LCK7
rw 		LCK6
rw 		LCK5
rw 		LCK4
rw 		LCK3
rw 		LCK2
rw 		LCK1
rw 		LCK0
rw
Toggle Fields

LCK0

Bit 0: Port A Lock bit 0.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK1

Bit 1: Port A Lock bit 1.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK2

Bit 2: Port A Lock bit 2.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK3

Bit 3: Port A Lock bit 3.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK4

Bit 4: Port A Lock bit 4.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK5

Bit 5: Port A Lock bit 5.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK6

Bit 6: Port A Lock bit 6.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK7

Bit 7: Port A Lock bit 7.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK8

Bit 8: Port A Lock bit 8.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK9

Bit 9: Port A Lock bit 9.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK10

Bit 10: Port A Lock bit 10.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK11

Bit 11: Port A Lock bit 11.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK12

Bit 12: Port A Lock bit 12.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK13

Bit 13: Port A Lock bit 13.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK14

Bit 14: Port A Lock bit 14.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK15

Bit 15: Port A Lock bit 15.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCKK

Bit 16: Lock key.

Allowed values:
0: NotActive: Port configuration lock key not active
1: Active: Port configuration lock key active

GPIOC

0x40011000: General purpose I/O

129/129 fields covered. Toggle Registers

Show register map

CRL

Port configuration register low (GPIOn_CRL)

Offset: 0x0, reset: 0x44444444, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CNF7
rw 		MODE7
rw 		CNF6
rw 		MODE6
rw 		CNF5
rw 		MODE5
rw 		CNF4
rw 		MODE4
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNF3
rw 		MODE3
rw 		CNF2
rw 		MODE2
rw 		CNF1
rw 		MODE1
rw 		CNF0
rw 		MODE0
rw
Toggle Fields

MODE0

Bits 0-1: Port n.0 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF0

Bits 2-3: Port n.0 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE1

Bits 4-5: Port n.1 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF1

Bits 6-7: Port n.1 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE2

Bits 8-9: Port n.2 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF2

Bits 10-11: Port n.2 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE3

Bits 12-13: Port n.3 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF3

Bits 14-15: Port n.3 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE4

Bits 16-17: Port n.4 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF4

Bits 18-19: Port n.4 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE5

Bits 20-21: Port n.5 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF5

Bits 22-23: Port n.5 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE6

Bits 24-25: Port n.6 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF6

Bits 26-27: Port n.6 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE7

Bits 28-29: Port n.7 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF7

Bits 30-31: Port n.7 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

CRH

Port configuration register high (GPIOn_CRL)

Offset: 0x4, reset: 0x44444444, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CNF15
rw 		MODE15
rw 		CNF14
rw 		MODE14
rw 		CNF13
rw 		MODE13
rw 		CNF12
rw 		MODE12
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNF11
rw 		MODE11
rw 		CNF10
rw 		MODE10
rw 		CNF9
rw 		MODE9
rw 		CNF8
rw 		MODE8
rw
Toggle Fields

MODE8

Bits 0-1: Port n.8 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF8

Bits 2-3: Port n.8 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE9

Bits 4-5: Port n.9 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF9

Bits 6-7: Port n.9 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE10

Bits 8-9: Port n.10 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF10

Bits 10-11: Port n.10 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE11

Bits 12-13: Port n.11 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF11

Bits 14-15: Port n.11 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE12

Bits 16-17: Port n.12 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF12

Bits 18-19: Port n.12 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE13

Bits 20-21: Port n.13 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF13

Bits 22-23: Port n.13 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE14

Bits 24-25: Port n.14 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF14

Bits 26-27: Port n.14 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE15

Bits 28-29: Port n.15 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF15

Bits 30-31: Port n.15 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

IDR

Port input data register (GPIOn_IDR)

Offset: 0x8, reset: 0x00000000, access: read-only

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IDR15
r 		IDR14
r 		IDR13
r 		IDR12
r 		IDR11
r 		IDR10
r 		IDR9
r 		IDR8
r 		IDR7
r 		IDR6
r 		IDR5
r 		IDR4
r 		IDR3
r 		IDR2
r 		IDR1
r 		IDR0
r
Toggle Fields

IDR0

Bit 0: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR1

Bit 1: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR2

Bit 2: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR3

Bit 3: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR4

Bit 4: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR5

Bit 5: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR6

Bit 6: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR7

Bit 7: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR8

Bit 8: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR9

Bit 9: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR10

Bit 10: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR11

Bit 11: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR12

Bit 12: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR13

Bit 13: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR14

Bit 14: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR15

Bit 15: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

ODR

Port output data register (GPIOn_ODR)

Offset: 0xc, reset: 0x00000000, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ODR15
rw 		ODR14
rw 		ODR13
rw 		ODR12
rw 		ODR11
rw 		ODR10
rw 		ODR9
rw 		ODR8
rw 		ODR7
rw 		ODR6
rw 		ODR5
rw 		ODR4
rw 		ODR3
rw 		ODR2
rw 		ODR1
rw 		ODR0
rw
Toggle Fields

ODR0

Bit 0: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR1

Bit 1: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR2

Bit 2: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR3

Bit 3: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR4

Bit 4: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR5

Bit 5: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR6

Bit 6: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR7

Bit 7: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR8

Bit 8: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR9

Bit 9: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR10

Bit 10: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR11

Bit 11: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR12

Bit 12: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR13

Bit 13: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR14

Bit 14: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR15

Bit 15: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

BSRR

Port bit set/reset register (GPIOn_BSRR)

Offset: 0x10, reset: 0x00000000, access: write-only

32/32 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
BR15
w 		BR14
w 		BR13
w 		BR12
w 		BR11
w 		BR10
w 		BR9
w 		BR8
w 		BR7
w 		BR6
w 		BR5
w 		BR4
w 		BR3
w 		BR2
w 		BR1
w 		BR0
w
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BS15
w 		BS14
w 		BS13
w 		BS12
w 		BS11
w 		BS10
w 		BS9
w 		BS8
w 		BS7
w 		BS6
w 		BS5
w 		BS4
w 		BS3
w 		BS2
w 		BS1
w 		BS0
w
Toggle Fields

BS0

Bit 0: Set bit 0.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS1

Bit 1: Set bit 1.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS2

Bit 2: Set bit 1.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS3

Bit 3: Set bit 3.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS4

Bit 4: Set bit 4.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS5

Bit 5: Set bit 5.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS6

Bit 6: Set bit 6.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS7

Bit 7: Set bit 7.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS8

Bit 8: Set bit 8.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS9

Bit 9: Set bit 9.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS10

Bit 10: Set bit 10.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS11

Bit 11: Set bit 11.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS12

Bit 12: Set bit 12.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS13

Bit 13: Set bit 13.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS14

Bit 14: Set bit 14.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS15

Bit 15: Set bit 15.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BR0

Bit 16: Reset bit 0.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR1

Bit 17: Reset bit 1.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR2

Bit 18: Reset bit 2.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR3

Bit 19: Reset bit 3.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR4

Bit 20: Reset bit 4.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR5

Bit 21: Reset bit 5.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR6

Bit 22: Reset bit 6.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR7

Bit 23: Reset bit 7.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR8

Bit 24: Reset bit 8.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR9

Bit 25: Reset bit 9.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR10

Bit 26: Reset bit 10.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR11

Bit 27: Reset bit 11.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR12

Bit 28: Reset bit 12.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR13

Bit 29: Reset bit 13.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR14

Bit 30: Reset bit 14.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR15

Bit 31: Reset bit 15.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BRR

Port bit reset register (GPIOn_BRR)

Offset: 0x14, reset: 0x00000000, access: write-only

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BR15
w 		BR14
w 		BR13
w 		BR12
w 		BR11
w 		BR10
w 		BR9
w 		BR8
w 		BR7
w 		BR6
w 		BR5
w 		BR4
w 		BR3
w 		BR2
w 		BR1
w 		BR0
w
Toggle Fields

BR0

Bit 0: Reset bit 0.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR1

Bit 1: Reset bit 1.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR2

Bit 2: Reset bit 1.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR3

Bit 3: Reset bit 3.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR4

Bit 4: Reset bit 4.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR5

Bit 5: Reset bit 5.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR6

Bit 6: Reset bit 6.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR7

Bit 7: Reset bit 7.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR8

Bit 8: Reset bit 8.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR9

Bit 9: Reset bit 9.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR10

Bit 10: Reset bit 10.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR11

Bit 11: Reset bit 11.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR12

Bit 12: Reset bit 12.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR13

Bit 13: Reset bit 13.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR14

Bit 14: Reset bit 14.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR15

Bit 15: Reset bit 15.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

LCKR

Port configuration lock register

Offset: 0x18, reset: 0x00000000, access: read-write

17/17 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
LCKK
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LCK15
rw 		LCK14
rw 		LCK13
rw 		LCK12
rw 		LCK11
rw 		LCK10
rw 		LCK9
rw 		LCK8
rw 		LCK7
rw 		LCK6
rw 		LCK5
rw 		LCK4
rw 		LCK3
rw 		LCK2
rw 		LCK1
rw 		LCK0
rw
Toggle Fields

LCK0

Bit 0: Port A Lock bit 0.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK1

Bit 1: Port A Lock bit 1.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK2

Bit 2: Port A Lock bit 2.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK3

Bit 3: Port A Lock bit 3.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK4

Bit 4: Port A Lock bit 4.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK5

Bit 5: Port A Lock bit 5.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK6

Bit 6: Port A Lock bit 6.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK7

Bit 7: Port A Lock bit 7.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK8

Bit 8: Port A Lock bit 8.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK9

Bit 9: Port A Lock bit 9.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK10

Bit 10: Port A Lock bit 10.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK11

Bit 11: Port A Lock bit 11.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK12

Bit 12: Port A Lock bit 12.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK13

Bit 13: Port A Lock bit 13.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK14

Bit 14: Port A Lock bit 14.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK15

Bit 15: Port A Lock bit 15.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCKK

Bit 16: Lock key.

Allowed values:
0: NotActive: Port configuration lock key not active
1: Active: Port configuration lock key active

GPIOD

0x40011400: General purpose I/O

129/129 fields covered. Toggle Registers

Show register map

CRL

Port configuration register low (GPIOn_CRL)

Offset: 0x0, reset: 0x44444444, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CNF7
rw 		MODE7
rw 		CNF6
rw 		MODE6
rw 		CNF5
rw 		MODE5
rw 		CNF4
rw 		MODE4
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNF3
rw 		MODE3
rw 		CNF2
rw 		MODE2
rw 		CNF1
rw 		MODE1
rw 		CNF0
rw 		MODE0
rw
Toggle Fields

MODE0

Bits 0-1: Port n.0 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF0

Bits 2-3: Port n.0 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE1

Bits 4-5: Port n.1 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF1

Bits 6-7: Port n.1 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE2

Bits 8-9: Port n.2 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF2

Bits 10-11: Port n.2 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE3

Bits 12-13: Port n.3 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF3

Bits 14-15: Port n.3 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE4

Bits 16-17: Port n.4 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF4

Bits 18-19: Port n.4 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE5

Bits 20-21: Port n.5 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF5

Bits 22-23: Port n.5 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE6

Bits 24-25: Port n.6 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF6

Bits 26-27: Port n.6 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE7

Bits 28-29: Port n.7 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF7

Bits 30-31: Port n.7 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

CRH

Port configuration register high (GPIOn_CRL)

Offset: 0x4, reset: 0x44444444, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CNF15
rw 		MODE15
rw 		CNF14
rw 		MODE14
rw 		CNF13
rw 		MODE13
rw 		CNF12
rw 		MODE12
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNF11
rw 		MODE11
rw 		CNF10
rw 		MODE10
rw 		CNF9
rw 		MODE9
rw 		CNF8
rw 		MODE8
rw
Toggle Fields

MODE8

Bits 0-1: Port n.8 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF8

Bits 2-3: Port n.8 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE9

Bits 4-5: Port n.9 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF9

Bits 6-7: Port n.9 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE10

Bits 8-9: Port n.10 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF10

Bits 10-11: Port n.10 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE11

Bits 12-13: Port n.11 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF11

Bits 14-15: Port n.11 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE12

Bits 16-17: Port n.12 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF12

Bits 18-19: Port n.12 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE13

Bits 20-21: Port n.13 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF13

Bits 22-23: Port n.13 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE14

Bits 24-25: Port n.14 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF14

Bits 26-27: Port n.14 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE15

Bits 28-29: Port n.15 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF15

Bits 30-31: Port n.15 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

IDR

Port input data register (GPIOn_IDR)

Offset: 0x8, reset: 0x00000000, access: read-only

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IDR15
r 		IDR14
r 		IDR13
r 		IDR12
r 		IDR11
r 		IDR10
r 		IDR9
r 		IDR8
r 		IDR7
r 		IDR6
r 		IDR5
r 		IDR4
r 		IDR3
r 		IDR2
r 		IDR1
r 		IDR0
r
Toggle Fields

IDR0

Bit 0: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR1

Bit 1: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR2

Bit 2: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR3

Bit 3: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR4

Bit 4: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR5

Bit 5: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR6

Bit 6: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR7

Bit 7: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR8

Bit 8: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR9

Bit 9: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR10

Bit 10: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR11

Bit 11: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR12

Bit 12: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR13

Bit 13: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR14

Bit 14: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR15

Bit 15: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

ODR

Port output data register (GPIOn_ODR)

Offset: 0xc, reset: 0x00000000, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ODR15
rw 		ODR14
rw 		ODR13
rw 		ODR12
rw 		ODR11
rw 		ODR10
rw 		ODR9
rw 		ODR8
rw 		ODR7
rw 		ODR6
rw 		ODR5
rw 		ODR4
rw 		ODR3
rw 		ODR2
rw 		ODR1
rw 		ODR0
rw
Toggle Fields

ODR0

Bit 0: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR1

Bit 1: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR2

Bit 2: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR3

Bit 3: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR4

Bit 4: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR5

Bit 5: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR6

Bit 6: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR7

Bit 7: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR8

Bit 8: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR9

Bit 9: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR10

Bit 10: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR11

Bit 11: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR12

Bit 12: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR13

Bit 13: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR14

Bit 14: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR15

Bit 15: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

BSRR

Port bit set/reset register (GPIOn_BSRR)

Offset: 0x10, reset: 0x00000000, access: write-only

32/32 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
BR15
w 		BR14
w 		BR13
w 		BR12
w 		BR11
w 		BR10
w 		BR9
w 		BR8
w 		BR7
w 		BR6
w 		BR5
w 		BR4
w 		BR3
w 		BR2
w 		BR1
w 		BR0
w
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BS15
w 		BS14
w 		BS13
w 		BS12
w 		BS11
w 		BS10
w 		BS9
w 		BS8
w 		BS7
w 		BS6
w 		BS5
w 		BS4
w 		BS3
w 		BS2
w 		BS1
w 		BS0
w
Toggle Fields

BS0

Bit 0: Set bit 0.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS1

Bit 1: Set bit 1.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS2

Bit 2: Set bit 1.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS3

Bit 3: Set bit 3.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS4

Bit 4: Set bit 4.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS5

Bit 5: Set bit 5.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS6

Bit 6: Set bit 6.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS7

Bit 7: Set bit 7.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS8

Bit 8: Set bit 8.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS9

Bit 9: Set bit 9.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS10

Bit 10: Set bit 10.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS11

Bit 11: Set bit 11.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS12

Bit 12: Set bit 12.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS13

Bit 13: Set bit 13.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS14

Bit 14: Set bit 14.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS15

Bit 15: Set bit 15.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BR0

Bit 16: Reset bit 0.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR1

Bit 17: Reset bit 1.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR2

Bit 18: Reset bit 2.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR3

Bit 19: Reset bit 3.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR4

Bit 20: Reset bit 4.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR5

Bit 21: Reset bit 5.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR6

Bit 22: Reset bit 6.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR7

Bit 23: Reset bit 7.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR8

Bit 24: Reset bit 8.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR9

Bit 25: Reset bit 9.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR10

Bit 26: Reset bit 10.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR11

Bit 27: Reset bit 11.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR12

Bit 28: Reset bit 12.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR13

Bit 29: Reset bit 13.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR14

Bit 30: Reset bit 14.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR15

Bit 31: Reset bit 15.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BRR

Port bit reset register (GPIOn_BRR)

Offset: 0x14, reset: 0x00000000, access: write-only

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BR15
w 		BR14
w 		BR13
w 		BR12
w 		BR11
w 		BR10
w 		BR9
w 		BR8
w 		BR7
w 		BR6
w 		BR5
w 		BR4
w 		BR3
w 		BR2
w 		BR1
w 		BR0
w
Toggle Fields

BR0

Bit 0: Reset bit 0.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR1

Bit 1: Reset bit 1.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR2

Bit 2: Reset bit 1.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR3

Bit 3: Reset bit 3.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR4

Bit 4: Reset bit 4.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR5

Bit 5: Reset bit 5.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR6

Bit 6: Reset bit 6.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR7

Bit 7: Reset bit 7.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR8

Bit 8: Reset bit 8.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR9

Bit 9: Reset bit 9.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR10

Bit 10: Reset bit 10.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR11

Bit 11: Reset bit 11.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR12

Bit 12: Reset bit 12.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR13

Bit 13: Reset bit 13.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR14

Bit 14: Reset bit 14.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR15

Bit 15: Reset bit 15.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

LCKR

Port configuration lock register

Offset: 0x18, reset: 0x00000000, access: read-write

17/17 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
LCKK
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LCK15
rw 		LCK14
rw 		LCK13
rw 		LCK12
rw 		LCK11
rw 		LCK10
rw 		LCK9
rw 		LCK8
rw 		LCK7
rw 		LCK6
rw 		LCK5
rw 		LCK4
rw 		LCK3
rw 		LCK2
rw 		LCK1
rw 		LCK0
rw
Toggle Fields

LCK0

Bit 0: Port A Lock bit 0.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK1

Bit 1: Port A Lock bit 1.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK2

Bit 2: Port A Lock bit 2.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK3

Bit 3: Port A Lock bit 3.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK4

Bit 4: Port A Lock bit 4.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK5

Bit 5: Port A Lock bit 5.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK6

Bit 6: Port A Lock bit 6.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK7

Bit 7: Port A Lock bit 7.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK8

Bit 8: Port A Lock bit 8.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK9

Bit 9: Port A Lock bit 9.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK10

Bit 10: Port A Lock bit 10.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK11

Bit 11: Port A Lock bit 11.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK12

Bit 12: Port A Lock bit 12.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK13

Bit 13: Port A Lock bit 13.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK14

Bit 14: Port A Lock bit 14.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK15

Bit 15: Port A Lock bit 15.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCKK

Bit 16: Lock key.

Allowed values:
0: NotActive: Port configuration lock key not active
1: Active: Port configuration lock key active

GPIOE

0x40011800: General purpose I/O

129/129 fields covered. Toggle Registers

Show register map

CRL

Port configuration register low (GPIOn_CRL)

Offset: 0x0, reset: 0x44444444, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CNF7
rw 		MODE7
rw 		CNF6
rw 		MODE6
rw 		CNF5
rw 		MODE5
rw 		CNF4
rw 		MODE4
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNF3
rw 		MODE3
rw 		CNF2
rw 		MODE2
rw 		CNF1
rw 		MODE1
rw 		CNF0
rw 		MODE0
rw
Toggle Fields

MODE0

Bits 0-1: Port n.0 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF0

Bits 2-3: Port n.0 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE1

Bits 4-5: Port n.1 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF1

Bits 6-7: Port n.1 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE2

Bits 8-9: Port n.2 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF2

Bits 10-11: Port n.2 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE3

Bits 12-13: Port n.3 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF3

Bits 14-15: Port n.3 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE4

Bits 16-17: Port n.4 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF4

Bits 18-19: Port n.4 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE5

Bits 20-21: Port n.5 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF5

Bits 22-23: Port n.5 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE6

Bits 24-25: Port n.6 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF6

Bits 26-27: Port n.6 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE7

Bits 28-29: Port n.7 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF7

Bits 30-31: Port n.7 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

CRH

Port configuration register high (GPIOn_CRL)

Offset: 0x4, reset: 0x44444444, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CNF15
rw 		MODE15
rw 		CNF14
rw 		MODE14
rw 		CNF13
rw 		MODE13
rw 		CNF12
rw 		MODE12
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNF11
rw 		MODE11
rw 		CNF10
rw 		MODE10
rw 		CNF9
rw 		MODE9
rw 		CNF8
rw 		MODE8
rw
Toggle Fields

MODE8

Bits 0-1: Port n.8 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF8

Bits 2-3: Port n.8 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE9

Bits 4-5: Port n.9 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF9

Bits 6-7: Port n.9 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE10

Bits 8-9: Port n.10 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF10

Bits 10-11: Port n.10 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE11

Bits 12-13: Port n.11 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF11

Bits 14-15: Port n.11 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE12

Bits 16-17: Port n.12 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF12

Bits 18-19: Port n.12 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE13

Bits 20-21: Port n.13 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF13

Bits 22-23: Port n.13 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE14

Bits 24-25: Port n.14 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF14

Bits 26-27: Port n.14 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE15

Bits 28-29: Port n.15 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF15

Bits 30-31: Port n.15 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

IDR

Port input data register (GPIOn_IDR)

Offset: 0x8, reset: 0x00000000, access: read-only

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IDR15
r 		IDR14
r 		IDR13
r 		IDR12
r 		IDR11
r 		IDR10
r 		IDR9
r 		IDR8
r 		IDR7
r 		IDR6
r 		IDR5
r 		IDR4
r 		IDR3
r 		IDR2
r 		IDR1
r 		IDR0
r
Toggle Fields

IDR0

Bit 0: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR1

Bit 1: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR2

Bit 2: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR3

Bit 3: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR4

Bit 4: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR5

Bit 5: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR6

Bit 6: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR7

Bit 7: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR8

Bit 8: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR9

Bit 9: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR10

Bit 10: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR11

Bit 11: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR12

Bit 12: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR13

Bit 13: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR14

Bit 14: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR15

Bit 15: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

ODR

Port output data register (GPIOn_ODR)

Offset: 0xc, reset: 0x00000000, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ODR15
rw 		ODR14
rw 		ODR13
rw 		ODR12
rw 		ODR11
rw 		ODR10
rw 		ODR9
rw 		ODR8
rw 		ODR7
rw 		ODR6
rw 		ODR5
rw 		ODR4
rw 		ODR3
rw 		ODR2
rw 		ODR1
rw 		ODR0
rw
Toggle Fields

ODR0

Bit 0: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR1

Bit 1: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR2

Bit 2: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR3

Bit 3: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR4

Bit 4: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR5

Bit 5: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR6

Bit 6: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR7

Bit 7: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR8

Bit 8: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR9

Bit 9: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR10

Bit 10: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR11

Bit 11: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR12

Bit 12: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR13

Bit 13: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR14

Bit 14: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR15

Bit 15: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

BSRR

Port bit set/reset register (GPIOn_BSRR)

Offset: 0x10, reset: 0x00000000, access: write-only

32/32 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
BR15
w 		BR14
w 		BR13
w 		BR12
w 		BR11
w 		BR10
w 		BR9
w 		BR8
w 		BR7
w 		BR6
w 		BR5
w 		BR4
w 		BR3
w 		BR2
w 		BR1
w 		BR0
w
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BS15
w 		BS14
w 		BS13
w 		BS12
w 		BS11
w 		BS10
w 		BS9
w 		BS8
w 		BS7
w 		BS6
w 		BS5
w 		BS4
w 		BS3
w 		BS2
w 		BS1
w 		BS0
w
Toggle Fields

BS0

Bit 0: Set bit 0.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS1

Bit 1: Set bit 1.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS2

Bit 2: Set bit 1.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS3

Bit 3: Set bit 3.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS4

Bit 4: Set bit 4.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS5

Bit 5: Set bit 5.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS6

Bit 6: Set bit 6.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS7

Bit 7: Set bit 7.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS8

Bit 8: Set bit 8.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS9

Bit 9: Set bit 9.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS10

Bit 10: Set bit 10.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS11

Bit 11: Set bit 11.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS12

Bit 12: Set bit 12.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS13

Bit 13: Set bit 13.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS14

Bit 14: Set bit 14.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS15

Bit 15: Set bit 15.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BR0

Bit 16: Reset bit 0.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR1

Bit 17: Reset bit 1.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR2

Bit 18: Reset bit 2.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR3

Bit 19: Reset bit 3.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR4

Bit 20: Reset bit 4.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR5

Bit 21: Reset bit 5.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR6

Bit 22: Reset bit 6.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR7

Bit 23: Reset bit 7.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR8

Bit 24: Reset bit 8.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR9

Bit 25: Reset bit 9.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR10

Bit 26: Reset bit 10.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR11

Bit 27: Reset bit 11.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR12

Bit 28: Reset bit 12.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR13

Bit 29: Reset bit 13.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR14

Bit 30: Reset bit 14.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR15

Bit 31: Reset bit 15.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BRR

Port bit reset register (GPIOn_BRR)

Offset: 0x14, reset: 0x00000000, access: write-only

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BR15
w 		BR14
w 		BR13
w 		BR12
w 		BR11
w 		BR10
w 		BR9
w 		BR8
w 		BR7
w 		BR6
w 		BR5
w 		BR4
w 		BR3
w 		BR2
w 		BR1
w 		BR0
w
Toggle Fields

BR0

Bit 0: Reset bit 0.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR1

Bit 1: Reset bit 1.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR2

Bit 2: Reset bit 1.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR3

Bit 3: Reset bit 3.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR4

Bit 4: Reset bit 4.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR5

Bit 5: Reset bit 5.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR6

Bit 6: Reset bit 6.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR7

Bit 7: Reset bit 7.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR8

Bit 8: Reset bit 8.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR9

Bit 9: Reset bit 9.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR10

Bit 10: Reset bit 10.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR11

Bit 11: Reset bit 11.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR12

Bit 12: Reset bit 12.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR13

Bit 13: Reset bit 13.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR14

Bit 14: Reset bit 14.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR15

Bit 15: Reset bit 15.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

LCKR

Port configuration lock register

Offset: 0x18, reset: 0x00000000, access: read-write

17/17 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
LCKK
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LCK15
rw 		LCK14
rw 		LCK13
rw 		LCK12
rw 		LCK11
rw 		LCK10
rw 		LCK9
rw 		LCK8
rw 		LCK7
rw 		LCK6
rw 		LCK5
rw 		LCK4
rw 		LCK3
rw 		LCK2
rw 		LCK1
rw 		LCK0
rw
Toggle Fields

LCK0

Bit 0: Port A Lock bit 0.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK1

Bit 1: Port A Lock bit 1.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK2

Bit 2: Port A Lock bit 2.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK3

Bit 3: Port A Lock bit 3.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK4

Bit 4: Port A Lock bit 4.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK5

Bit 5: Port A Lock bit 5.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK6

Bit 6: Port A Lock bit 6.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK7

Bit 7: Port A Lock bit 7.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK8

Bit 8: Port A Lock bit 8.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK9

Bit 9: Port A Lock bit 9.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK10

Bit 10: Port A Lock bit 10.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK11

Bit 11: Port A Lock bit 11.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK12

Bit 12: Port A Lock bit 12.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK13

Bit 13: Port A Lock bit 13.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK14

Bit 14: Port A Lock bit 14.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK15

Bit 15: Port A Lock bit 15.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCKK

Bit 16: Lock key.

Allowed values:
0: NotActive: Port configuration lock key not active
1: Active: Port configuration lock key active

GPIOF

0x40011c00: General purpose I/O

129/129 fields covered. Toggle Registers

Show register map

CRL

Port configuration register low (GPIOn_CRL)

Offset: 0x0, reset: 0x44444444, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CNF7
rw 		MODE7
rw 		CNF6
rw 		MODE6
rw 		CNF5
rw 		MODE5
rw 		CNF4
rw 		MODE4
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNF3
rw 		MODE3
rw 		CNF2
rw 		MODE2
rw 		CNF1
rw 		MODE1
rw 		CNF0
rw 		MODE0
rw
Toggle Fields

MODE0

Bits 0-1: Port n.0 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF0

Bits 2-3: Port n.0 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE1

Bits 4-5: Port n.1 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF1

Bits 6-7: Port n.1 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE2

Bits 8-9: Port n.2 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF2

Bits 10-11: Port n.2 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE3

Bits 12-13: Port n.3 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF3

Bits 14-15: Port n.3 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE4

Bits 16-17: Port n.4 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF4

Bits 18-19: Port n.4 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE5

Bits 20-21: Port n.5 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF5

Bits 22-23: Port n.5 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE6

Bits 24-25: Port n.6 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF6

Bits 26-27: Port n.6 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE7

Bits 28-29: Port n.7 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF7

Bits 30-31: Port n.7 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

CRH

Port configuration register high (GPIOn_CRL)

Offset: 0x4, reset: 0x44444444, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CNF15
rw 		MODE15
rw 		CNF14
rw 		MODE14
rw 		CNF13
rw 		MODE13
rw 		CNF12
rw 		MODE12
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNF11
rw 		MODE11
rw 		CNF10
rw 		MODE10
rw 		CNF9
rw 		MODE9
rw 		CNF8
rw 		MODE8
rw
Toggle Fields

MODE8

Bits 0-1: Port n.8 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF8

Bits 2-3: Port n.8 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE9

Bits 4-5: Port n.9 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF9

Bits 6-7: Port n.9 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE10

Bits 8-9: Port n.10 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF10

Bits 10-11: Port n.10 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE11

Bits 12-13: Port n.11 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF11

Bits 14-15: Port n.11 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE12

Bits 16-17: Port n.12 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF12

Bits 18-19: Port n.12 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE13

Bits 20-21: Port n.13 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF13

Bits 22-23: Port n.13 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE14

Bits 24-25: Port n.14 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF14

Bits 26-27: Port n.14 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE15

Bits 28-29: Port n.15 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF15

Bits 30-31: Port n.15 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

IDR

Port input data register (GPIOn_IDR)

Offset: 0x8, reset: 0x00000000, access: read-only

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IDR15
r 		IDR14
r 		IDR13
r 		IDR12
r 		IDR11
r 		IDR10
r 		IDR9
r 		IDR8
r 		IDR7
r 		IDR6
r 		IDR5
r 		IDR4
r 		IDR3
r 		IDR2
r 		IDR1
r 		IDR0
r
Toggle Fields

IDR0

Bit 0: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR1

Bit 1: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR2

Bit 2: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR3

Bit 3: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR4

Bit 4: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR5

Bit 5: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR6

Bit 6: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR7

Bit 7: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR8

Bit 8: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR9

Bit 9: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR10

Bit 10: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR11

Bit 11: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR12

Bit 12: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR13

Bit 13: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR14

Bit 14: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR15

Bit 15: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

ODR

Port output data register (GPIOn_ODR)

Offset: 0xc, reset: 0x00000000, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ODR15
rw 		ODR14
rw 		ODR13
rw 		ODR12
rw 		ODR11
rw 		ODR10
rw 		ODR9
rw 		ODR8
rw 		ODR7
rw 		ODR6
rw 		ODR5
rw 		ODR4
rw 		ODR3
rw 		ODR2
rw 		ODR1
rw 		ODR0
rw
Toggle Fields

ODR0

Bit 0: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR1

Bit 1: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR2

Bit 2: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR3

Bit 3: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR4

Bit 4: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR5

Bit 5: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR6

Bit 6: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR7

Bit 7: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR8

Bit 8: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR9

Bit 9: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR10

Bit 10: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR11

Bit 11: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR12

Bit 12: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR13

Bit 13: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR14

Bit 14: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR15

Bit 15: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

BSRR

Port bit set/reset register (GPIOn_BSRR)

Offset: 0x10, reset: 0x00000000, access: write-only

32/32 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
BR15
w 		BR14
w 		BR13
w 		BR12
w 		BR11
w 		BR10
w 		BR9
w 		BR8
w 		BR7
w 		BR6
w 		BR5
w 		BR4
w 		BR3
w 		BR2
w 		BR1
w 		BR0
w
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BS15
w 		BS14
w 		BS13
w 		BS12
w 		BS11
w 		BS10
w 		BS9
w 		BS8
w 		BS7
w 		BS6
w 		BS5
w 		BS4
w 		BS3
w 		BS2
w 		BS1
w 		BS0
w
Toggle Fields

BS0

Bit 0: Set bit 0.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS1

Bit 1: Set bit 1.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS2

Bit 2: Set bit 1.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS3

Bit 3: Set bit 3.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS4

Bit 4: Set bit 4.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS5

Bit 5: Set bit 5.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS6

Bit 6: Set bit 6.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS7

Bit 7: Set bit 7.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS8

Bit 8: Set bit 8.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS9

Bit 9: Set bit 9.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS10

Bit 10: Set bit 10.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS11

Bit 11: Set bit 11.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS12

Bit 12: Set bit 12.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS13

Bit 13: Set bit 13.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS14

Bit 14: Set bit 14.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS15

Bit 15: Set bit 15.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BR0

Bit 16: Reset bit 0.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR1

Bit 17: Reset bit 1.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR2

Bit 18: Reset bit 2.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR3

Bit 19: Reset bit 3.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR4

Bit 20: Reset bit 4.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR5

Bit 21: Reset bit 5.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR6

Bit 22: Reset bit 6.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR7

Bit 23: Reset bit 7.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR8

Bit 24: Reset bit 8.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR9

Bit 25: Reset bit 9.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR10

Bit 26: Reset bit 10.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR11

Bit 27: Reset bit 11.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR12

Bit 28: Reset bit 12.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR13

Bit 29: Reset bit 13.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR14

Bit 30: Reset bit 14.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR15

Bit 31: Reset bit 15.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BRR

Port bit reset register (GPIOn_BRR)

Offset: 0x14, reset: 0x00000000, access: write-only

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BR15
w 		BR14
w 		BR13
w 		BR12
w 		BR11
w 		BR10
w 		BR9
w 		BR8
w 		BR7
w 		BR6
w 		BR5
w 		BR4
w 		BR3
w 		BR2
w 		BR1
w 		BR0
w
Toggle Fields

BR0

Bit 0: Reset bit 0.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR1

Bit 1: Reset bit 1.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR2

Bit 2: Reset bit 1.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR3

Bit 3: Reset bit 3.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR4

Bit 4: Reset bit 4.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR5

Bit 5: Reset bit 5.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR6

Bit 6: Reset bit 6.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR7

Bit 7: Reset bit 7.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR8

Bit 8: Reset bit 8.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR9

Bit 9: Reset bit 9.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR10

Bit 10: Reset bit 10.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR11

Bit 11: Reset bit 11.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR12

Bit 12: Reset bit 12.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR13

Bit 13: Reset bit 13.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR14

Bit 14: Reset bit 14.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR15

Bit 15: Reset bit 15.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

LCKR

Port configuration lock register

Offset: 0x18, reset: 0x00000000, access: read-write

17/17 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
LCKK
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LCK15
rw 		LCK14
rw 		LCK13
rw 		LCK12
rw 		LCK11
rw 		LCK10
rw 		LCK9
rw 		LCK8
rw 		LCK7
rw 		LCK6
rw 		LCK5
rw 		LCK4
rw 		LCK3
rw 		LCK2
rw 		LCK1
rw 		LCK0
rw
Toggle Fields

LCK0

Bit 0: Port A Lock bit 0.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK1

Bit 1: Port A Lock bit 1.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK2

Bit 2: Port A Lock bit 2.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK3

Bit 3: Port A Lock bit 3.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK4

Bit 4: Port A Lock bit 4.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK5

Bit 5: Port A Lock bit 5.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK6

Bit 6: Port A Lock bit 6.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK7

Bit 7: Port A Lock bit 7.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK8

Bit 8: Port A Lock bit 8.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK9

Bit 9: Port A Lock bit 9.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK10

Bit 10: Port A Lock bit 10.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK11

Bit 11: Port A Lock bit 11.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK12

Bit 12: Port A Lock bit 12.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK13

Bit 13: Port A Lock bit 13.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK14

Bit 14: Port A Lock bit 14.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK15

Bit 15: Port A Lock bit 15.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCKK

Bit 16: Lock key.

Allowed values:
0: NotActive: Port configuration lock key not active
1: Active: Port configuration lock key active

GPIOG

0x40012000: General purpose I/O

129/129 fields covered. Toggle Registers

Show register map

CRL

Port configuration register low (GPIOn_CRL)

Offset: 0x0, reset: 0x44444444, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CNF7
rw 		MODE7
rw 		CNF6
rw 		MODE6
rw 		CNF5
rw 		MODE5
rw 		CNF4
rw 		MODE4
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNF3
rw 		MODE3
rw 		CNF2
rw 		MODE2
rw 		CNF1
rw 		MODE1
rw 		CNF0
rw 		MODE0
rw
Toggle Fields

MODE0

Bits 0-1: Port n.0 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF0

Bits 2-3: Port n.0 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE1

Bits 4-5: Port n.1 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF1

Bits 6-7: Port n.1 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE2

Bits 8-9: Port n.2 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF2

Bits 10-11: Port n.2 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE3

Bits 12-13: Port n.3 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF3

Bits 14-15: Port n.3 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE4

Bits 16-17: Port n.4 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF4

Bits 18-19: Port n.4 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE5

Bits 20-21: Port n.5 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF5

Bits 22-23: Port n.5 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE6

Bits 24-25: Port n.6 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF6

Bits 26-27: Port n.6 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE7

Bits 28-29: Port n.7 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF7

Bits 30-31: Port n.7 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

CRH

Port configuration register high (GPIOn_CRL)

Offset: 0x4, reset: 0x44444444, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CNF15
rw 		MODE15
rw 		CNF14
rw 		MODE14
rw 		CNF13
rw 		MODE13
rw 		CNF12
rw 		MODE12
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNF11
rw 		MODE11
rw 		CNF10
rw 		MODE10
rw 		CNF9
rw 		MODE9
rw 		CNF8
rw 		MODE8
rw
Toggle Fields

MODE8

Bits 0-1: Port n.8 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF8

Bits 2-3: Port n.8 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE9

Bits 4-5: Port n.9 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF9

Bits 6-7: Port n.9 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE10

Bits 8-9: Port n.10 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF10

Bits 10-11: Port n.10 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE11

Bits 12-13: Port n.11 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF11

Bits 14-15: Port n.11 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE12

Bits 16-17: Port n.12 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF12

Bits 18-19: Port n.12 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE13

Bits 20-21: Port n.13 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF13

Bits 22-23: Port n.13 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE14

Bits 24-25: Port n.14 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF14

Bits 26-27: Port n.14 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

MODE15

Bits 28-29: Port n.15 mode bits.

Allowed values:
0: Input: Input mode (reset state)
1: Output: Output mode 10 MHz
2: Output2: Output mode 2 MHz
3: Output50: Output mode 50 MHz

CNF15

Bits 30-31: Port n.15 configuration bits.

Allowed values:
0: PushPull: Analog mode / Push-Pull mode
1: OpenDrain: Floating input (reset state) / Open Drain-Mode
2: AltPushPull: Input with pull-up/pull-down / Alternate Function Push-Pull Mode
3: AltOpenDrain: Alternate Function Open-Drain Mode

IDR

Port input data register (GPIOn_IDR)

Offset: 0x8, reset: 0x00000000, access: read-only

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IDR15
r 		IDR14
r 		IDR13
r 		IDR12
r 		IDR11
r 		IDR10
r 		IDR9
r 		IDR8
r 		IDR7
r 		IDR6
r 		IDR5
r 		IDR4
r 		IDR3
r 		IDR2
r 		IDR1
r 		IDR0
r
Toggle Fields

IDR0

Bit 0: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR1

Bit 1: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR2

Bit 2: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR3

Bit 3: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR4

Bit 4: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR5

Bit 5: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR6

Bit 6: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR7

Bit 7: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR8

Bit 8: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR9

Bit 9: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR10

Bit 10: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR11

Bit 11: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR12

Bit 12: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR13

Bit 13: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR14

Bit 14: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

IDR15

Bit 15: Port input data.

Allowed values:
1: High: Input is logic high
0: Low: Input is logic low

ODR

Port output data register (GPIOn_ODR)

Offset: 0xc, reset: 0x00000000, access: read-write

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ODR15
rw 		ODR14
rw 		ODR13
rw 		ODR12
rw 		ODR11
rw 		ODR10
rw 		ODR9
rw 		ODR8
rw 		ODR7
rw 		ODR6
rw 		ODR5
rw 		ODR4
rw 		ODR3
rw 		ODR2
rw 		ODR1
rw 		ODR0
rw
Toggle Fields

ODR0

Bit 0: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR1

Bit 1: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR2

Bit 2: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR3

Bit 3: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR4

Bit 4: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR5

Bit 5: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR6

Bit 6: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR7

Bit 7: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR8

Bit 8: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR9

Bit 9: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR10

Bit 10: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR11

Bit 11: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR12

Bit 12: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR13

Bit 13: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR14

Bit 14: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

ODR15

Bit 15: Port output data.

Allowed values:
1: High: Set output to logic high
0: Low: Set output to logic low

BSRR

Port bit set/reset register (GPIOn_BSRR)

Offset: 0x10, reset: 0x00000000, access: write-only

32/32 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
BR15
w 		BR14
w 		BR13
w 		BR12
w 		BR11
w 		BR10
w 		BR9
w 		BR8
w 		BR7
w 		BR6
w 		BR5
w 		BR4
w 		BR3
w 		BR2
w 		BR1
w 		BR0
w
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BS15
w 		BS14
w 		BS13
w 		BS12
w 		BS11
w 		BS10
w 		BS9
w 		BS8
w 		BS7
w 		BS6
w 		BS5
w 		BS4
w 		BS3
w 		BS2
w 		BS1
w 		BS0
w
Toggle Fields

BS0

Bit 0: Set bit 0.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS1

Bit 1: Set bit 1.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS2

Bit 2: Set bit 1.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS3

Bit 3: Set bit 3.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS4

Bit 4: Set bit 4.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS5

Bit 5: Set bit 5.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS6

Bit 6: Set bit 6.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS7

Bit 7: Set bit 7.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS8

Bit 8: Set bit 8.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS9

Bit 9: Set bit 9.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS10

Bit 10: Set bit 10.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS11

Bit 11: Set bit 11.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS12

Bit 12: Set bit 12.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS13

Bit 13: Set bit 13.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS14

Bit 14: Set bit 14.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BS15

Bit 15: Set bit 15.

Allowed values:
1: Set: Sets the corresponding ODRx bit

BR0

Bit 16: Reset bit 0.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR1

Bit 17: Reset bit 1.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR2

Bit 18: Reset bit 2.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR3

Bit 19: Reset bit 3.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR4

Bit 20: Reset bit 4.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR5

Bit 21: Reset bit 5.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR6

Bit 22: Reset bit 6.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR7

Bit 23: Reset bit 7.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR8

Bit 24: Reset bit 8.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR9

Bit 25: Reset bit 9.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR10

Bit 26: Reset bit 10.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR11

Bit 27: Reset bit 11.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR12

Bit 28: Reset bit 12.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR13

Bit 29: Reset bit 13.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR14

Bit 30: Reset bit 14.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BR15

Bit 31: Reset bit 15.

Allowed values:
1: Reset: Resets the corresponding ODRx bit

BRR

Port bit reset register (GPIOn_BRR)

Offset: 0x14, reset: 0x00000000, access: write-only

16/16 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BR15
w 		BR14
w 		BR13
w 		BR12
w 		BR11
w 		BR10
w 		BR9
w 		BR8
w 		BR7
w 		BR6
w 		BR5
w 		BR4
w 		BR3
w 		BR2
w 		BR1
w 		BR0
w
Toggle Fields

BR0

Bit 0: Reset bit 0.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR1

Bit 1: Reset bit 1.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR2

Bit 2: Reset bit 1.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR3

Bit 3: Reset bit 3.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR4

Bit 4: Reset bit 4.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR5

Bit 5: Reset bit 5.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR6

Bit 6: Reset bit 6.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR7

Bit 7: Reset bit 7.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR8

Bit 8: Reset bit 8.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR9

Bit 9: Reset bit 9.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR10

Bit 10: Reset bit 10.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR11

Bit 11: Reset bit 11.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR12

Bit 12: Reset bit 12.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR13

Bit 13: Reset bit 13.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR14

Bit 14: Reset bit 14.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

BR15

Bit 15: Reset bit 15.

Allowed values:
0: NoAction: No action on the corresponding ODx bit
1: Reset: Reset the ODx bit

LCKR

Port configuration lock register

Offset: 0x18, reset: 0x00000000, access: read-write

17/17 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
LCKK
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LCK15
rw 		LCK14
rw 		LCK13
rw 		LCK12
rw 		LCK11
rw 		LCK10
rw 		LCK9
rw 		LCK8
rw 		LCK7
rw 		LCK6
rw 		LCK5
rw 		LCK4
rw 		LCK3
rw 		LCK2
rw 		LCK1
rw 		LCK0
rw
Toggle Fields

LCK0

Bit 0: Port A Lock bit 0.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK1

Bit 1: Port A Lock bit 1.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK2

Bit 2: Port A Lock bit 2.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK3

Bit 3: Port A Lock bit 3.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK4

Bit 4: Port A Lock bit 4.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK5

Bit 5: Port A Lock bit 5.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK6

Bit 6: Port A Lock bit 6.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK7

Bit 7: Port A Lock bit 7.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK8

Bit 8: Port A Lock bit 8.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK9

Bit 9: Port A Lock bit 9.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK10

Bit 10: Port A Lock bit 10.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK11

Bit 11: Port A Lock bit 11.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK12

Bit 12: Port A Lock bit 12.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK13

Bit 13: Port A Lock bit 13.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK14

Bit 14: Port A Lock bit 14.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCK15

Bit 15: Port A Lock bit 15.

Allowed values:
0: Unlocked: Port configuration not locked
1: Locked: Port configuration locked

LCKK

Bit 16: Lock key.

Allowed values:
0: NotActive: Port configuration lock key not active
1: Active: Port configuration lock key active

I2C1

0x40005400: Inter integrated circuit

51/51 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0x4 CR2
0x8 OAR1
0xc OAR2
0x10 DR
0x14 SR1
0x18 SR2
0x1c CCR
0x20 TRISE

CR1

Control register 1

Offset: 0x0, reset: 0x0000, access: read-write

14/14 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SWRST
rw 		ALERT
rw 		PEC
rw 		POS
rw 		ACK
rw 		STOP
rw 		START
rw 		NOSTRETCH
rw 		ENGC
rw 		ENPEC
rw 		ENARP
rw 		SMBTYPE
rw 		SMBUS
rw 		PE
rw
Toggle Fields

PE

Bit 0: Peripheral enable.

Allowed values:
0: Disabled: Peripheral disabled
1: Enabled: Peripheral enabled

SMBUS

Bit 1: SMBus mode.

Allowed values:
0: I2C: I2C Mode
1: SMBus: SMBus

SMBTYPE

Bit 3: SMBus type.

Allowed values:
0: Device: SMBus Device
1: Host: SMBus Host

ENARP

Bit 4: ARP enable.

Allowed values:
0: Disabled: ARP disabled
1: Enabled: ARP enabled

ENPEC

Bit 5: PEC enable.

Allowed values:
0: Disabled: PEC calculation disabled
1: Enabled: PEC calculation enabled

ENGC

Bit 6: General call enable.

Allowed values:
0: Disabled: General call disabled
1: Enabled: General call enabled

NOSTRETCH

Bit 7: Clock stretching disable (Slave mode).

Allowed values:
0: Enabled: Clock stretching enabled
1: Disabled: Clock stretching disabled

START

Bit 8: Start generation.

Allowed values:
0: NoStart: No Start generation
1: Start: In master mode: repeated start generation, in slave mode: start generation when bus is free

STOP

Bit 9: Stop generation.

Allowed values:
0: NoStop: No Stop generation
1: Stop: In master mode: stop generation after current byte/start, in slave mode: release SCL and SDA after current byte

ACK

Bit 10: Acknowledge enable.

Allowed values:
0: NAK: No acknowledge returned
1: ACK: Acknowledge returned after a byte is received

POS

Bit 11: Acknowledge/PEC Position (for data reception).

Allowed values:
0: Current: ACK bit controls the (N)ACK of the current byte being received
1: Next: ACK bit controls the (N)ACK of the next byte to be received

PEC

Bit 12: Packet error checking.

Allowed values:
0: Disabled: No PEC transfer
1: Enabled: PEC transfer

ALERT

Bit 13: SMBus alert.

Allowed values:
0: Release: SMBA pin released high
1: Drive: SMBA pin driven low

SWRST

Bit 15: Software reset.

Allowed values:
0: NotReset: I2C peripheral not under reset
1: Reset: I2C peripheral under reset

CR2

Control register 2

Offset: 0x4, reset: 0x0000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LAST
rw 		DMAEN
rw 		ITBUFEN
rw 		ITEVTEN
rw 		ITERREN
rw 		FREQ
rw
Toggle Fields

FREQ

Bits 0-5: Peripheral clock frequency.

Allowed values: 0x2-0x32

ITERREN

Bit 8: Error interrupt enable.

Allowed values:
0: Disabled: Error interrupt disabled
1: Enabled: Error interrupt enabled

ITEVTEN

Bit 9: Event interrupt enable.

Allowed values:
0: Disabled: Event interrupt disabled
1: Enabled: Event interrupt enabled

ITBUFEN

Bit 10: Buffer interrupt enable.

Allowed values:
0: Disabled: TxE=1 or RxNE=1 does not generate any interrupt
1: Enabled: TxE=1 or RxNE=1 generates Event interrupt

DMAEN

Bit 11: DMA requests enable.

Allowed values:
0: Disabled: DMA requests disabled
1: Enabled: DMA request enabled when TxE=1 or RxNE=1

LAST

Bit 12: DMA last transfer.

Allowed values:
0: NotLast: Next DMA EOT is not the last transfer
1: Last: Next DMA EOT is the last transfer

OAR1

Own address register 1

Offset: 0x8, reset: 0x0000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ADDMODE
rw 		ADD
rw
Toggle Fields

ADD

Bits 0-9: Interface address.

Allowed values: 0x0-0x3ff

ADDMODE

Bit 15: Addressing mode (slave mode).

Allowed values:
0: ADD7: 7-bit slave address
1: ADD10: 10-bit slave address

OAR2

Own address register 2

Offset: 0xc, reset: 0x0000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ADD2
rw 		ENDUAL
rw
Toggle Fields

ENDUAL

Bit 0: Dual addressing mode enable.

Allowed values:
0: Single: Single addressing mode
1: Dual: Dual addressing mode

ADD2

Bits 1-7: Interface address.

Allowed values: 0x0-0x7f

DR

Data register

Offset: 0x10, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DR
rw
Toggle Fields

DR

Bits 0-7: 8-bit data register.

Allowed values: 0x0-0xff

SR1

Status register 1

Offset: 0x14, reset: 0x0000, access: Unspecified

14/14 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SMBALERT
rw 		TIMEOUT
rw 		PECERR
rw 		OVR
rw 		AF
rw 		ARLO
rw 		BERR
rw 		TxE
r 		RxNE
r 		STOPF
r 		ADD10
r 		BTF
r 		ADDR
r 		SB
r
Toggle Fields

SB

Bit 0: Start bit (Master mode).

Allowed values:
0: NoStart: No Start condition
1: Start: Start condition generated

ADDR

Bit 1: Address sent (master mode)/matched (slave mode).

Allowed values:
0: NotMatch: Adress mismatched or not received
1: Match: Received slave address matched with one of the enabled slave addresses

BTF

Bit 2: Byte transfer finished.

Allowed values:
0: NotFinished: Data byte transfer not done
1: Finished: Data byte transfer successful

ADD10

Bit 3: 10-bit header sent (Master mode).

STOPF

Bit 4: Stop detection (slave mode).

Allowed values:
0: NoStop: No Stop condition detected
1: Stop: Stop condition detected

RxNE

Bit 6: Data register not empty (receivers).

Allowed values:
0: Empty: Data register empty
1: NotEmpty: Data register not empty

TxE

Bit 7: Data register empty (transmitters).

Allowed values:
0: NotEmpty: Data register not empty
1: Empty: Data register empty

BERR

Bit 8: Bus error.

Allowed values:
0: NoError: No misplaced Start or Stop condition
1: Error: Misplaced Start or Stop condition

ARLO

Bit 9: Arbitration lost (master mode).

Allowed values:
0: NoLost: No Arbitration Lost detected
1: Lost: Arbitration Lost detected

AF

Bit 10: Acknowledge failure.

Allowed values:
0: NoFailure: No acknowledge failure
1: Failure: Acknowledge failure

OVR

Bit 11: Overrun/Underrun.

Allowed values:
0: NoOverrun: No overrun/underrun occured
1: Overrun: Overrun/underrun occured

PECERR

Bit 12: PEC Error in reception.

Allowed values:
0: NoError: no PEC error: receiver returns ACK after PEC reception (if ACK=1)
1: Error: PEC error: receiver returns NACK after PEC reception (whatever ACK)

TIMEOUT

Bit 14: Timeout or Tlow error.

Allowed values:
0: NoTimeout: No Timeout error
1: Timeout: SCL remained LOW for 25 ms

SMBALERT

Bit 15: SMBus alert.

Allowed values:
0: NoAlert: No SMBALERT occured
1: Alert: SMBALERT occurred

SR2

Status register 2

Offset: 0x18, reset: 0x0000, access: read-only

8/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PEC
r 		DUALF
r 		SMBHOST
r 		SMBDEFAULT
r 		GENCALL
r 		TRA
r 		BUSY
r 		MSL
r
Toggle Fields

MSL

Bit 0: Master/slave.

BUSY

Bit 1: Bus busy.

TRA

Bit 2: Transmitter/receiver.

GENCALL

Bit 4: General call address (Slave mode).

SMBDEFAULT

Bit 5: SMBus device default address (Slave mode).

SMBHOST

Bit 6: SMBus host header (Slave mode).

DUALF

Bit 7: Dual flag (Slave mode).

PEC

Bits 8-15: acket error checking register.

CCR

Clock control register

Offset: 0x1c, reset: 0x0000, access: read-write

3/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
F_S
rw 		DUTY
rw 		CCR
rw
Toggle Fields

CCR

Bits 0-11: Clock control register in Fast/Standard mode (Master mode).

Allowed values: 0x1-0xfff

DUTY

Bit 14: Fast mode duty cycle.

Allowed values:
0: Duty2_1: Duty cycle t_low/t_high = 2/1
1: Duty16_9: Duty cycle t_low/t_high = 16/9

F_S

Bit 15: I2C master mode selection.

Allowed values:
0: Standard: Standard mode I2C
1: Fast: Fast mode I2C

TRISE

TRISE register

Offset: 0x20, reset: 0x0002, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TRISE
rw
Toggle Fields

TRISE

Bits 0-5: Maximum rise time in Fast/Standard mode (Master mode).

Allowed values: 0x0-0x3f

I2C2

0x40005800: Inter integrated circuit

51/51 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0x4 CR2
0x8 OAR1
0xc OAR2
0x10 DR
0x14 SR1
0x18 SR2
0x1c CCR
0x20 TRISE

CR1

Control register 1

Offset: 0x0, reset: 0x0000, access: read-write

14/14 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SWRST
rw 		ALERT
rw 		PEC
rw 		POS
rw 		ACK
rw 		STOP
rw 		START
rw 		NOSTRETCH
rw 		ENGC
rw 		ENPEC
rw 		ENARP
rw 		SMBTYPE
rw 		SMBUS
rw 		PE
rw
Toggle Fields

PE

Bit 0: Peripheral enable.

Allowed values:
0: Disabled: Peripheral disabled
1: Enabled: Peripheral enabled

SMBUS

Bit 1: SMBus mode.

Allowed values:
0: I2C: I2C Mode
1: SMBus: SMBus

SMBTYPE

Bit 3: SMBus type.

Allowed values:
0: Device: SMBus Device
1: Host: SMBus Host

ENARP

Bit 4: ARP enable.

Allowed values:
0: Disabled: ARP disabled
1: Enabled: ARP enabled

ENPEC

Bit 5: PEC enable.

Allowed values:
0: Disabled: PEC calculation disabled
1: Enabled: PEC calculation enabled

ENGC

Bit 6: General call enable.

Allowed values:
0: Disabled: General call disabled
1: Enabled: General call enabled

NOSTRETCH

Bit 7: Clock stretching disable (Slave mode).

Allowed values:
0: Enabled: Clock stretching enabled
1: Disabled: Clock stretching disabled

START

Bit 8: Start generation.

Allowed values:
0: NoStart: No Start generation
1: Start: In master mode: repeated start generation, in slave mode: start generation when bus is free

STOP

Bit 9: Stop generation.

Allowed values:
0: NoStop: No Stop generation
1: Stop: In master mode: stop generation after current byte/start, in slave mode: release SCL and SDA after current byte

ACK

Bit 10: Acknowledge enable.

Allowed values:
0: NAK: No acknowledge returned
1: ACK: Acknowledge returned after a byte is received

POS

Bit 11: Acknowledge/PEC Position (for data reception).

Allowed values:
0: Current: ACK bit controls the (N)ACK of the current byte being received
1: Next: ACK bit controls the (N)ACK of the next byte to be received

PEC

Bit 12: Packet error checking.

Allowed values:
0: Disabled: No PEC transfer
1: Enabled: PEC transfer

ALERT

Bit 13: SMBus alert.

Allowed values:
0: Release: SMBA pin released high
1: Drive: SMBA pin driven low

SWRST

Bit 15: Software reset.

Allowed values:
0: NotReset: I2C peripheral not under reset
1: Reset: I2C peripheral under reset

CR2

Control register 2

Offset: 0x4, reset: 0x0000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LAST
rw 		DMAEN
rw 		ITBUFEN
rw 		ITEVTEN
rw 		ITERREN
rw 		FREQ
rw
Toggle Fields

FREQ

Bits 0-5: Peripheral clock frequency.

Allowed values: 0x2-0x32

ITERREN

Bit 8: Error interrupt enable.

Allowed values:
0: Disabled: Error interrupt disabled
1: Enabled: Error interrupt enabled

ITEVTEN

Bit 9: Event interrupt enable.

Allowed values:
0: Disabled: Event interrupt disabled
1: Enabled: Event interrupt enabled

ITBUFEN

Bit 10: Buffer interrupt enable.

Allowed values:
0: Disabled: TxE=1 or RxNE=1 does not generate any interrupt
1: Enabled: TxE=1 or RxNE=1 generates Event interrupt

DMAEN

Bit 11: DMA requests enable.

Allowed values:
0: Disabled: DMA requests disabled
1: Enabled: DMA request enabled when TxE=1 or RxNE=1

LAST

Bit 12: DMA last transfer.

Allowed values:
0: NotLast: Next DMA EOT is not the last transfer
1: Last: Next DMA EOT is the last transfer

OAR1

Own address register 1

Offset: 0x8, reset: 0x0000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ADDMODE
rw 		ADD
rw
Toggle Fields

ADD

Bits 0-9: Interface address.

Allowed values: 0x0-0x3ff

ADDMODE

Bit 15: Addressing mode (slave mode).

Allowed values:
0: ADD7: 7-bit slave address
1: ADD10: 10-bit slave address

OAR2

Own address register 2

Offset: 0xc, reset: 0x0000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ADD2
rw 		ENDUAL
rw
Toggle Fields

ENDUAL

Bit 0: Dual addressing mode enable.

Allowed values:
0: Single: Single addressing mode
1: Dual: Dual addressing mode

ADD2

Bits 1-7: Interface address.

Allowed values: 0x0-0x7f

DR

Data register

Offset: 0x10, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DR
rw
Toggle Fields

DR

Bits 0-7: 8-bit data register.

Allowed values: 0x0-0xff

SR1

Status register 1

Offset: 0x14, reset: 0x0000, access: Unspecified

14/14 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SMBALERT
rw 		TIMEOUT
rw 		PECERR
rw 		OVR
rw 		AF
rw 		ARLO
rw 		BERR
rw 		TxE
r 		RxNE
r 		STOPF
r 		ADD10
r 		BTF
r 		ADDR
r 		SB
r
Toggle Fields

SB

Bit 0: Start bit (Master mode).

Allowed values:
0: NoStart: No Start condition
1: Start: Start condition generated

ADDR

Bit 1: Address sent (master mode)/matched (slave mode).

Allowed values:
0: NotMatch: Adress mismatched or not received
1: Match: Received slave address matched with one of the enabled slave addresses

BTF

Bit 2: Byte transfer finished.

Allowed values:
0: NotFinished: Data byte transfer not done
1: Finished: Data byte transfer successful

ADD10

Bit 3: 10-bit header sent (Master mode).

STOPF

Bit 4: Stop detection (slave mode).

Allowed values:
0: NoStop: No Stop condition detected
1: Stop: Stop condition detected

RxNE

Bit 6: Data register not empty (receivers).

Allowed values:
0: Empty: Data register empty
1: NotEmpty: Data register not empty

TxE

Bit 7: Data register empty (transmitters).

Allowed values:
0: NotEmpty: Data register not empty
1: Empty: Data register empty

BERR

Bit 8: Bus error.

Allowed values:
0: NoError: No misplaced Start or Stop condition
1: Error: Misplaced Start or Stop condition

ARLO

Bit 9: Arbitration lost (master mode).

Allowed values:
0: NoLost: No Arbitration Lost detected
1: Lost: Arbitration Lost detected

AF

Bit 10: Acknowledge failure.

Allowed values:
0: NoFailure: No acknowledge failure
1: Failure: Acknowledge failure

OVR

Bit 11: Overrun/Underrun.

Allowed values:
0: NoOverrun: No overrun/underrun occured
1: Overrun: Overrun/underrun occured

PECERR

Bit 12: PEC Error in reception.

Allowed values:
0: NoError: no PEC error: receiver returns ACK after PEC reception (if ACK=1)
1: Error: PEC error: receiver returns NACK after PEC reception (whatever ACK)

TIMEOUT

Bit 14: Timeout or Tlow error.

Allowed values:
0: NoTimeout: No Timeout error
1: Timeout: SCL remained LOW for 25 ms

SMBALERT

Bit 15: SMBus alert.

Allowed values:
0: NoAlert: No SMBALERT occured
1: Alert: SMBALERT occurred

SR2

Status register 2

Offset: 0x18, reset: 0x0000, access: read-only

8/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PEC
r 		DUALF
r 		SMBHOST
r 		SMBDEFAULT
r 		GENCALL
r 		TRA
r 		BUSY
r 		MSL
r
Toggle Fields

MSL

Bit 0: Master/slave.

BUSY

Bit 1: Bus busy.

TRA

Bit 2: Transmitter/receiver.

GENCALL

Bit 4: General call address (Slave mode).

SMBDEFAULT

Bit 5: SMBus device default address (Slave mode).

SMBHOST

Bit 6: SMBus host header (Slave mode).

DUALF

Bit 7: Dual flag (Slave mode).

PEC

Bits 8-15: acket error checking register.

CCR

Clock control register

Offset: 0x1c, reset: 0x0000, access: read-write

3/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
F_S
rw 		DUTY
rw 		CCR
rw
Toggle Fields

CCR

Bits 0-11: Clock control register in Fast/Standard mode (Master mode).

Allowed values: 0x1-0xfff

DUTY

Bit 14: Fast mode duty cycle.

Allowed values:
0: Duty2_1: Duty cycle t_low/t_high = 2/1
1: Duty16_9: Duty cycle t_low/t_high = 16/9

F_S

Bit 15: I2C master mode selection.

Allowed values:
0: Standard: Standard mode I2C
1: Fast: Fast mode I2C

TRISE

TRISE register

Offset: 0x20, reset: 0x0002, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TRISE
rw
Toggle Fields

TRISE

Bits 0-5: Maximum rise time in Fast/Standard mode (Master mode).

Allowed values: 0x0-0x3f

IWDG

0x40003000: Independent watchdog

5/5 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 KR
0x4 PR
0x8 RLR
0xc SR

KR

Key register (IWDG_KR)

Offset: 0x0, reset: 0x00000000, access: write-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
KEY
w
Toggle Fields

KEY

Bits 0-15: Key value.

Allowed values:
21845: Enable: Enable access to PR, RLR and WINR registers (0x5555)
43690: Reset: Reset the watchdog value (0xAAAA)
52428: Start: Start the watchdog (0xCCCC)

PR

Prescaler register (IWDG_PR)

Offset: 0x4, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PR
rw
Toggle Fields

PR

Bits 0-2: Prescaler divider.

Allowed values:
0: DivideBy4: Divider /4
1: DivideBy8: Divider /8
2: DivideBy16: Divider /16
3: DivideBy32: Divider /32
4: DivideBy64: Divider /64
5: DivideBy128: Divider /128
6: DivideBy256: Divider /256
7: DivideBy256bis: Divider /256

RLR

Reload register (IWDG_RLR)

Offset: 0x8, reset: 0x00000FFF, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RL
rw
Toggle Fields

RL

Bits 0-11: Watchdog counter reload value.

Allowed values: 0x0-0xfff

SR

Status register (IWDG_SR)

Offset: 0xc, reset: 0x00000000, access: read-only

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RVU
r 		PVU
r
Toggle Fields

PVU

Bit 0: Watchdog prescaler value update.

RVU

Bit 1: Watchdog counter reload value update.

MPU

0xe000ed90: Memory protection unit

6/19 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 TYPER
0x4 CTRL
0x8 RNR
0xc RBAR
0x10 RASR

TYPER

MPU type register

Offset: 0x0, reset: 0X00000800, access: read-only

3/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IREGION
r
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DREGION
r 		SEPARATE
r
Toggle Fields

SEPARATE

Bit 0: Separate flag.

DREGION

Bits 8-15: Number of MPU data regions.

IREGION

Bits 16-23: Number of MPU instruction regions.

CTRL

MPU control register

Offset: 0x4, reset: 0X00000000, access: read-only

3/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PRIVDEFENA
r 		HFNMIENA
r 		ENABLE
r
Toggle Fields

ENABLE

Bit 0: Enables the MPU.

HFNMIENA

Bit 1: Enables the operation of MPU during hard fault.

PRIVDEFENA

Bit 2: Enable priviliged software access to default memory map.

RNR

MPU region number register

Offset: 0x8, reset: 0X00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
REGION
rw
Toggle Fields

REGION

Bits 0-7: MPU region.

RBAR

MPU region base address register

Offset: 0xc, reset: 0X00000000, access: read-write

0/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
ADDR
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ADDR
rw 		VALID
rw 		REGION
rw
Toggle Fields

REGION

Bits 0-3: MPU region field.

VALID

Bit 4: MPU region number valid.

ADDR

Bits 5-31: Region base address field.

RASR

MPU region attribute and size register

Offset: 0x10, reset: 0X00000000, access: read-write

0/9 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
XN
rw 		AP
rw 		TEX
rw 		S
rw 		C
rw 		B
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SRD
rw 		SIZE
rw 		ENABLE
rw
Toggle Fields

ENABLE

Bit 0: Region enable bit..

SIZE

Bits 1-5: Size of the MPU protection region.

SRD

Bits 8-15: Subregion disable bits.

B

Bit 16: memory attribute.

C

Bit 17: memory attribute.

S

Bit 18: Shareable memory attribute.

TEX

Bits 19-21: memory attribute.

AP

Bits 24-26: Access permission.

XN

Bit 28: Instruction access disable bit.

NVIC

0xe000e100: Nested Vectored Interrupt Controller

2/70 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 ISER0
0x4 ISER1
0x80 ICER0
0x84 ICER1
0x100 ISPR0
0x104 ISPR1
0x180 ICPR0
0x184 ICPR1
0x200 IABR0
0x204 IABR1
0x300 IPR0
0x304 IPR1
0x308 IPR2
0x30c IPR3
0x310 IPR4
0x314 IPR5
0x318 IPR6
0x31c IPR7
0x320 IPR8
0x324 IPR9
0x328 IPR10
0x32c IPR11
0x330 IPR12
0x334 IPR13
0x338 IPR14

ISER0

Interrupt Set-Enable Register

Offset: 0x0, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
SETENA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SETENA
rw
Toggle Fields

SETENA

Bits 0-31: SETENA.

ISER1

Interrupt Set-Enable Register

Offset: 0x4, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
SETENA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SETENA
rw
Toggle Fields

SETENA

Bits 0-31: SETENA.

ICER0

Interrupt Clear-Enable Register

Offset: 0x80, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CLRENA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CLRENA
rw
Toggle Fields

CLRENA

Bits 0-31: CLRENA.

ICER1

Interrupt Clear-Enable Register

Offset: 0x84, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CLRENA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CLRENA
rw
Toggle Fields

CLRENA

Bits 0-31: CLRENA.

ISPR0

Interrupt Set-Pending Register

Offset: 0x100, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
SETPEND
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SETPEND
rw
Toggle Fields

SETPEND

Bits 0-31: SETPEND.

ISPR1

Interrupt Set-Pending Register

Offset: 0x104, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
SETPEND
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SETPEND
rw
Toggle Fields

SETPEND

Bits 0-31: SETPEND.

ICPR0

Interrupt Clear-Pending Register

Offset: 0x180, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CLRPEND
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CLRPEND
rw
Toggle Fields

CLRPEND

Bits 0-31: CLRPEND.

ICPR1

Interrupt Clear-Pending Register

Offset: 0x184, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CLRPEND
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CLRPEND
rw
Toggle Fields

CLRPEND

Bits 0-31: CLRPEND.

IABR0

Interrupt Active Bit Register

Offset: 0x200, reset: 0x00000000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
ACTIVE
r
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ACTIVE
r
Toggle Fields

ACTIVE

Bits 0-31: ACTIVE.

IABR1

Interrupt Active Bit Register

Offset: 0x204, reset: 0x00000000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
ACTIVE
r
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ACTIVE
r
Toggle Fields

ACTIVE

Bits 0-31: ACTIVE.

IPR0

Interrupt Priority Register

Offset: 0x300, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IPR_N3
rw 		IPR_N2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IPR_N1
rw 		IPR_N0
rw
Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR1

Interrupt Priority Register

Offset: 0x304, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IPR_N3
rw 		IPR_N2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IPR_N1
rw 		IPR_N0
rw
Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR2

Interrupt Priority Register

Offset: 0x308, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IPR_N3
rw 		IPR_N2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IPR_N1
rw 		IPR_N0
rw
Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR3

Interrupt Priority Register

Offset: 0x30c, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IPR_N3
rw 		IPR_N2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IPR_N1
rw 		IPR_N0
rw
Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR4

Interrupt Priority Register

Offset: 0x310, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IPR_N3
rw 		IPR_N2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IPR_N1
rw 		IPR_N0
rw
Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR5

Interrupt Priority Register

Offset: 0x314, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IPR_N3
rw 		IPR_N2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IPR_N1
rw 		IPR_N0
rw
Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR6

Interrupt Priority Register

Offset: 0x318, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IPR_N3
rw 		IPR_N2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IPR_N1
rw 		IPR_N0
rw
Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR7

Interrupt Priority Register

Offset: 0x31c, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IPR_N3
rw 		IPR_N2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IPR_N1
rw 		IPR_N0
rw
Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR8

Interrupt Priority Register

Offset: 0x320, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IPR_N3
rw 		IPR_N2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IPR_N1
rw 		IPR_N0
rw
Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR9

Interrupt Priority Register

Offset: 0x324, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IPR_N3
rw 		IPR_N2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IPR_N1
rw 		IPR_N0
rw
Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR10

Interrupt Priority Register

Offset: 0x328, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IPR_N3
rw 		IPR_N2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IPR_N1
rw 		IPR_N0
rw
Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR11

Interrupt Priority Register

Offset: 0x32c, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IPR_N3
rw 		IPR_N2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IPR_N1
rw 		IPR_N0
rw
Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR12

Interrupt Priority Register

Offset: 0x330, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IPR_N3
rw 		IPR_N2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IPR_N1
rw 		IPR_N0
rw
Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR13

Interrupt Priority Register

Offset: 0x334, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IPR_N3
rw 		IPR_N2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IPR_N1
rw 		IPR_N0
rw
Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

IPR14

Interrupt Priority Register

Offset: 0x338, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IPR_N3
rw 		IPR_N2
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IPR_N1
rw 		IPR_N0
rw
Toggle Fields

IPR_N0

Bits 0-7: IPR_N0.

IPR_N1

Bits 8-15: IPR_N1.

IPR_N2

Bits 16-23: IPR_N2.

IPR_N3

Bits 24-31: IPR_N3.

NVIC_STIR

0xe000ef00: Nested vectored interrupt controller

0/1 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 STIR

STIR

Software trigger interrupt register

Offset: 0x0, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
INTID
rw
Toggle Fields

INTID

Bits 0-8: Software generated interrupt ID.

PWR

0x40007000: Power control

4/11 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR
0x4 CSR

CR

Power control register (PWR_CR)

Offset: 0x0, reset: 0x00000000, access: read-write

1/7 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DBP
rw 		PLS
rw 		PVDE
rw 		CSBF
rw 		CWUF
rw 		PDDS
rw 		LPDS
rw
Toggle Fields

LPDS

Bit 0: Low Power Deep Sleep.

PDDS

Bit 1: Power Down Deep Sleep.

Allowed values:
0: STOP_MODE: Enter Stop mode when the CPU enters deepsleep
1: STANDBY_MODE: Enter Standby mode when the CPU enters deepsleep

CWUF

Bit 2: Clear Wake-up Flag.

CSBF

Bit 3: Clear STANDBY Flag.

PVDE

Bit 4: Power Voltage Detector Enable.

PLS

Bits 5-7: PVD Level Selection.

DBP

Bit 8: Disable Backup Domain write protection.

CSR

Power control register (PWR_CR)

Offset: 0x4, reset: 0x00000000, access: Unspecified

3/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
EWUP
rw 		PVDO
r 		SBF
r 		WUF
r
Toggle Fields

WUF

Bit 0: Wake-Up Flag.

SBF

Bit 1: STANDBY Flag.

PVDO

Bit 2: PVD Output.

EWUP

Bit 8: Enable WKUP pin.

RCC

0x40021000: Reset and clock control

133/133 fields covered. Toggle Registers

Show register map

CR

Clock control register

Offset: 0x0, reset: 0x00000083, access: Unspecified

10/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PLLRDY
r 		PLLON
rw 		CSSON
rw 		HSEBYP
rw 		HSERDY
r 		HSEON
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
HSICAL
r 		HSITRIM
rw 		HSIRDY
r 		HSION
rw
Toggle Fields

HSION

Bit 0: Internal High Speed clock enable.

Allowed values:
0: Off: Clock Off
1: On: Clock On

HSIRDY

Bit 1: Internal High Speed clock ready flag.

Allowed values:
0: NotReady: Clock not ready
1: Ready: Clock ready

HSITRIM

Bits 3-7: Internal High Speed clock trimming.

Allowed values: 0x0-0x1f

HSICAL

Bits 8-15: Internal High Speed clock Calibration.

Allowed values: 0x0-0xff

HSEON

Bit 16: External High Speed clock enable.

Allowed values:
0: Off: Clock Off
1: On: Clock On

HSERDY

Bit 17: External High Speed clock ready flag.

Allowed values:
0: NotReady: Clock not ready
1: Ready: Clock ready

HSEBYP

Bit 18: External High Speed clock Bypass.

Allowed values:
0: NotBypassed: HSE crystal oscillator not bypassed
1: Bypassed: HSE crystal oscillator bypassed with external clock

CSSON

Bit 19: Clock Security System enable.

Allowed values:
0: Off: Clock security system disabled (clock detector OFF)
1: On: Clock security system enable (clock detector ON if the HSE is ready, OFF if not)

PLLON

Bit 24: PLL enable.

Allowed values:
0: Off: Clock Off
1: On: Clock On

PLLRDY

Bit 25: PLL clock ready flag.

Allowed values:
0: NotReady: Clock not ready
1: Ready: Clock ready

CFGR

Clock configuration register (RCC_CFGR)

Offset: 0x4, reset: 0x00000000, access: Unspecified

10/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MCO
rw 		PLLMUL
rw 		PLLXTPRE
rw 		PLLSRC
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ADCPRE
rw 		PPRE2
rw 		PPRE1
rw 		HPRE
rw 		SWS
r 		SW
rw
Toggle Fields

SW

Bits 0-1: System clock Switch.

Allowed values:
0: HSI: HSI selected as system clock
1: HSE: HSE selected as system clock
2: PLL: PLL selected as system clock

SWS

Bits 2-3: System Clock Switch Status.

Allowed values:
0: HSI: HSI oscillator used as system clock
1: HSE: HSE oscillator used as system clock
2: PLL: PLL used as system clock

HPRE

Bits 4-7: AHB prescaler.

Allowed values:
0: Div1: SYSCLK not divided
8: Div2: SYSCLK divided by 2
9: Div4: SYSCLK divided by 4
10: Div8: SYSCLK divided by 8
11: Div16: SYSCLK divided by 16
12: Div64: SYSCLK divided by 64
13: Div128: SYSCLK divided by 128
14: Div256: SYSCLK divided by 256
15: Div512: SYSCLK divided by 512

PPRE1

Bits 8-10: APB Low speed prescaler (APB1).

Allowed values:
0: Div1: HCLK not divided
4: Div2: HCLK divided by 2
5: Div4: HCLK divided by 4
6: Div8: HCLK divided by 8
7: Div16: HCLK divided by 16

PPRE2

Bits 11-13: APB High speed prescaler (APB2).

Allowed values:
0: Div1: HCLK not divided
4: Div2: HCLK divided by 2
5: Div4: HCLK divided by 4
6: Div8: HCLK divided by 8
7: Div16: HCLK divided by 16

ADCPRE

Bits 14-15: ADC prescaler.

Allowed values:
0: Div2: PCLK2 divided by 2
1: Div4: PCLK2 divided by 4
2: Div6: PCLK2 divided by 8
3: Div8: PCLK2 divided by 16

PLLSRC

Bit 16: PLL entry clock source.

Allowed values:
0: HSI_Div2: HSI divided by 2 selected as PLL input clock
1: HSE_Div_PREDIV: HSE divided by PREDIV selected as PLL input clock

PLLXTPRE

Bit 17: HSE divider for PLL entry.

Allowed values:
0: Div1: HSE clock not divided
1: Div2: HSE clock divided by 2

PLLMUL

Bits 18-21: PLL Multiplication Factor.

Allowed values:
0: Mul2: PLL input clock x2
1: Mul3: PLL input clock x3
2: Mul4: PLL input clock x4
3: Mul5: PLL input clock x5
4: Mul6: PLL input clock x6
5: Mul7: PLL input clock x7
6: Mul8: PLL input clock x8
7: Mul9: PLL input clock x9
8: Mul10: PLL input clock x10
9: Mul11: PLL input clock x11
10: Mul12: PLL input clock x12
11: Mul13: PLL input clock x13
12: Mul14: PLL input clock x14
13: Mul15: PLL input clock x15
14: Mul16: PLL input clock x16
15: Mul16x: PLL input clock x16

MCO

Bits 24-26: Microcontroller clock output.

Allowed values:
0: NoMCO: MCO output disabled, no clock on MCO
4: SYSCLK: System clock selected
5: HSI: HSI oscillator clock selected
6: HSE: HSE oscillator clock selected
7: PLL: PLL clock selected (divided by 1 or 2, depending en PLLNODIV)

CIR

Clock interrupt register (RCC_CIR)

Offset: 0x8, reset: 0x00000000, access: Unspecified

17/17 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CSSC
w 		PLLRDYC
w 		HSERDYC
w 		HSIRDYC
w 		LSERDYC
w 		LSIRDYC
w
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PLLRDYIE
rw 		HSERDYIE
rw 		HSIRDYIE
rw 		LSERDYIE
rw 		LSIRDYIE
rw 		CSSF
r 		PLLRDYF
r 		HSERDYF
r 		HSIRDYF
r 		LSERDYF
r 		LSIRDYF
r
Toggle Fields

LSIRDYF

Bit 0: LSI Ready Interrupt flag.

Allowed values:
0: NotInterrupted: No clock ready interrupt
1: Interrupted: Clock ready interrupt

LSERDYF

Bit 1: LSE Ready Interrupt flag.

Allowed values:
0: NotInterrupted: No clock ready interrupt
1: Interrupted: Clock ready interrupt

HSIRDYF

Bit 2: HSI Ready Interrupt flag.

Allowed values:
0: NotInterrupted: No clock ready interrupt
1: Interrupted: Clock ready interrupt

HSERDYF

Bit 3: HSE Ready Interrupt flag.

Allowed values:
0: NotInterrupted: No clock ready interrupt
1: Interrupted: Clock ready interrupt

PLLRDYF

Bit 4: PLL Ready Interrupt flag.

Allowed values:
0: NotInterrupted: No clock ready interrupt
1: Interrupted: Clock ready interrupt

CSSF

Bit 7: Clock Security System Interrupt flag.

Allowed values:
0: NotInterrupted: No clock security interrupt caused by HSE clock failure
1: Interrupted: Clock security interrupt caused by HSE clock failure

LSIRDYIE

Bit 8: LSI Ready Interrupt Enable.

Allowed values:
0: Disabled: Interrupt disabled
1: Enabled: Interrupt enabled

LSERDYIE

Bit 9: LSE Ready Interrupt Enable.

Allowed values:
0: Disabled: Interrupt disabled
1: Enabled: Interrupt enabled

HSIRDYIE

Bit 10: HSI Ready Interrupt Enable.

Allowed values:
0: Disabled: Interrupt disabled
1: Enabled: Interrupt enabled

HSERDYIE

Bit 11: HSE Ready Interrupt Enable.

Allowed values:
0: Disabled: Interrupt disabled
1: Enabled: Interrupt enabled

PLLRDYIE

Bit 12: PLL Ready Interrupt Enable.

Allowed values:
0: Disabled: Interrupt disabled
1: Enabled: Interrupt enabled

LSIRDYC

Bit 16: LSI Ready Interrupt Clear.

Allowed values:
1: Clear: Clear interrupt flag

LSERDYC

Bit 17: LSE Ready Interrupt Clear.

Allowed values:
1: Clear: Clear interrupt flag

HSIRDYC

Bit 18: HSI Ready Interrupt Clear.

Allowed values:
1: Clear: Clear interrupt flag

HSERDYC

Bit 19: HSE Ready Interrupt Clear.

Allowed values:
1: Clear: Clear interrupt flag

PLLRDYC

Bit 20: PLL Ready Interrupt Clear.

Allowed values:
1: Clear: Clear interrupt flag

CSSC

Bit 23: Clock security system interrupt clear.

Allowed values:
1: Clear: Clear CSSF flag

APB2RSTR

APB2 peripheral reset register (RCC_APB2RSTR)

Offset: 0xc, reset: 0x000000000, access: read-write

15/15 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
TIM17RST
rw 		TIM16RST
rw 		TIM15RST
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
USART1RST
rw 		SPI1RST
rw 		TIM1RST
rw 		ADC1RST
rw 		IOPGRST
rw 		IOPFRST
rw 		IOPERST
rw 		IOPDRST
rw 		IOPCRST
rw 		IOPBRST
rw 		IOPARST
rw 		AFIORST
rw
Toggle Fields

AFIORST

Bit 0: Alternate function I/O reset.

Allowed values:
1: Reset: Reset the selected module

IOPARST

Bit 2: IO port A reset.

Allowed values:
1: Reset: Reset the selected module

IOPBRST

Bit 3: IO port B reset.

Allowed values:
1: Reset: Reset the selected module

IOPCRST

Bit 4: IO port C reset.

Allowed values:
1: Reset: Reset the selected module

IOPDRST

Bit 5: IO port D reset.

Allowed values:
1: Reset: Reset the selected module

IOPERST

Bit 6: IO port E reset.

Allowed values:
1: Reset: Reset the selected module

IOPFRST

Bit 7: IO port F reset.

Allowed values:
1: Reset: Reset the selected module

IOPGRST

Bit 8: IO port G reset.

Allowed values:
1: Reset: Reset the selected module

ADC1RST

Bit 9: ADC 1 interface reset.

Allowed values:
1: Reset: Reset the selected module

TIM1RST

Bit 11: TIM1 timer reset.

Allowed values:
1: Reset: Reset the selected module

SPI1RST

Bit 12: SPI 1 reset.

Allowed values:
1: Reset: Reset the selected module

USART1RST

Bit 14: USART1 reset.

Allowed values:
1: Reset: Reset the selected module

TIM15RST

Bit 16: TIM15 timer reset.

Allowed values:
1: Reset: Reset the selected module

TIM16RST

Bit 17: TIM16 timer reset.

Allowed values:
1: Reset: Reset the selected module

TIM17RST

Bit 18: TIM17 timer reset.

Allowed values:
1: Reset: Reset the selected module

APB1RSTR

APB1 peripheral reset register (RCC_APB1RSTR)

Offset: 0x10, reset: 0x00000000, access: read-write

22/22 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CECRST
rw 		DACRST
rw 		PWRRST
rw 		BKPRST
rw 		I2C2RST
rw 		I2C1RST
rw 		UART5RST
rw 		UART4RST
rw 		USART3RST
rw 		USART2RST
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SPI3RST
rw 		SPI2RST
rw 		WWDGRST
rw 		TIM14RST
rw 		TIM13RST
rw 		TIM12RST
rw 		TIM7RST
rw 		TIM6RST
rw 		TIM5RST
rw 		TIM4RST
rw 		TIM3RST
rw 		TIM2RST
rw
Toggle Fields

TIM2RST

Bit 0: Timer 2 reset.

Allowed values:
1: Reset: Reset the selected module

TIM3RST

Bit 1: Timer 3 reset.

Allowed values:
1: Reset: Reset the selected module

TIM4RST

Bit 2: Timer 4 reset.

Allowed values:
1: Reset: Reset the selected module

TIM5RST

Bit 3: Timer 5 reset.

Allowed values:
1: Reset: Reset the selected module

TIM6RST

Bit 4: Timer 6 reset.

Allowed values:
1: Reset: Reset the selected module

TIM7RST

Bit 5: Timer 7 reset.

Allowed values:
1: Reset: Reset the selected module

TIM12RST

Bit 6: Timer 12 reset.

Allowed values:
1: Reset: Reset the selected module

TIM13RST

Bit 7: Timer 13 reset.

Allowed values:
1: Reset: Reset the selected module

TIM14RST

Bit 8: Timer 14 reset.

Allowed values:
1: Reset: Reset the selected module

WWDGRST

Bit 11: Window watchdog reset.

Allowed values:
1: Reset: Reset the selected module

SPI2RST

Bit 14: SPI2 reset.

Allowed values:
1: Reset: Reset the selected module

SPI3RST

Bit 15: SPI3 reset.

Allowed values:
1: Reset: Reset the selected module

USART2RST

Bit 17: USART 2 reset.

Allowed values:
1: Reset: Reset the selected module

USART3RST

Bit 18: USART 3 reset.

Allowed values:
1: Reset: Reset the selected module

UART4RST

Bit 19: USART 4 reset.

Allowed values:
1: Reset: Reset the selected module

UART5RST

Bit 20: USART 5 reset.

Allowed values:
1: Reset: Reset the selected module

I2C1RST

Bit 21: I2C1 reset.

Allowed values:
1: Reset: Reset the selected module

I2C2RST

Bit 22: I2C2 reset.

Allowed values:
1: Reset: Reset the selected module

BKPRST

Bit 27: Backup interface reset.

Allowed values:
1: Reset: Reset the selected module

PWRRST

Bit 28: Power interface reset.

Allowed values:
1: Reset: Reset the selected module

DACRST

Bit 29: DAC interface reset.

Allowed values:
1: Reset: Reset the selected module

CECRST

Bit 30: CEC reset.

Allowed values:
1: Reset: Reset the selected module

AHBENR

AHB Peripheral Clock enable register (RCC_AHBENR)

Offset: 0x14, reset: 0x00000014, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
FSMCEN
rw 		CRCEN
rw 		FLITFEN
rw 		SRAMEN
rw 		DMA2EN
rw 		DMA1EN
rw
Toggle Fields

DMA1EN

Bit 0: DMA1 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

DMA2EN

Bit 1: DMA2 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

SRAMEN

Bit 2: SRAM interface clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

FLITFEN

Bit 4: FLITF clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

CRCEN

Bit 6: CRC clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

FSMCEN

Bit 8: FSMC clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

APB2ENR

APB2 peripheral clock enable register (RCC_APB2ENR)

Offset: 0x18, reset: 0x00000000, access: read-write

15/15 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
TIM17EN
rw 		TIM16EN
rw 		TIM15EN
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
USART1EN
rw 		SPI1EN
rw 		TIM1EN
rw 		ADC1EN
rw 		IOPGEN
rw 		IOPFEN
rw 		IOPEEN
rw 		IOPDEN
rw 		IOPCEN
rw 		IOPBEN
rw 		IOPAEN
rw 		AFIOEN
rw
Toggle Fields

AFIOEN

Bit 0: Alternate function I/O clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

IOPAEN

Bit 2: I/O port A clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

IOPBEN

Bit 3: I/O port B clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

IOPCEN

Bit 4: I/O port C clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

IOPDEN

Bit 5: I/O port D clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

IOPEEN

Bit 6: I/O port E clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

IOPFEN

Bit 7: I/O port F clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

IOPGEN

Bit 8: I/O port G clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

ADC1EN

Bit 9: ADC 1 interface clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

TIM1EN

Bit 11: TIM1 Timer clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

SPI1EN

Bit 12: SPI 1 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

USART1EN

Bit 14: USART1 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

TIM15EN

Bit 16: TIM15 Timer clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

TIM16EN

Bit 17: TIM16 Timer clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

TIM17EN

Bit 18: TIM17 Timer clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

APB1ENR

APB1 peripheral clock enable register (RCC_APB1ENR)

Offset: 0x1c, reset: 0x00000000, access: read-write

22/22 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CECEN
rw 		DACEN
rw 		PWREN
rw 		BKPEN
rw 		I2C2EN
rw 		I2C1EN
rw 		UART5EN
rw 		UART4EN
rw 		USART3EN
rw 		USART2EN
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SPI3EN
rw 		SPI2EN
rw 		WWDGEN
rw 		TIM14EN
rw 		TIM13EN
rw 		TIM12EN
rw 		TIM7EN
rw 		TIM6EN
rw 		TIM5EN
rw 		TIM4EN
rw 		TIM3EN
rw 		TIM2EN
rw
Toggle Fields

TIM2EN

Bit 0: Timer 2 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

TIM3EN

Bit 1: Timer 3 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

TIM4EN

Bit 2: Timer 4 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

TIM5EN

Bit 3: Timer 5 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

TIM6EN

Bit 4: Timer 6 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

TIM7EN

Bit 5: Timer 7 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

TIM12EN

Bit 6: Timer 12 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

TIM13EN

Bit 7: Timer 13 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

TIM14EN

Bit 8: Timer 14 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

WWDGEN

Bit 11: Window watchdog clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

SPI2EN

Bit 14: SPI 2 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

SPI3EN

Bit 15: SPI 3 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

USART2EN

Bit 17: USART 2 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

USART3EN

Bit 18: USART 3 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

UART4EN

Bit 19: UART 4 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

UART5EN

Bit 20: UART 5 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

I2C1EN

Bit 21: I2C 1 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

I2C2EN

Bit 22: I2C 2 clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

BKPEN

Bit 27: Backup interface clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

PWREN

Bit 28: Power interface clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

DACEN

Bit 29: DAC interface clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

CECEN

Bit 30: CEC clock enable.

Allowed values:
0: Disabled: The selected clock is disabled
1: Enabled: The selected clock is enabled

BDCR

Backup domain control register (RCC_BDCR)

Offset: 0x20, reset: 0x00000000, access: Unspecified

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
BDRST
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RTCEN
rw 		RTCSEL
rw 		LSEBYP
rw 		LSERDY
r 		LSEON
rw
Toggle Fields

LSEON

Bit 0: External Low Speed oscillator enable.

Allowed values:
0: Off: LSE oscillator Off
1: On: LSE oscillator On

LSERDY

Bit 1: External Low Speed oscillator ready.

Allowed values:
0: NotReady: LSE oscillator not ready
1: Ready: LSE oscillator ready

LSEBYP

Bit 2: External Low Speed oscillator bypass.

Allowed values:
0: NotBypassed: LSE crystal oscillator not bypassed
1: Bypassed: LSE crystal oscillator bypassed with external clock

RTCSEL

Bits 8-9: RTC clock source selection.

Allowed values:
0: NoClock: No clock
1: LSE: LSE oscillator clock used as RTC clock
2: LSI: LSI oscillator clock used as RTC clock
3: HSE: HSE oscillator clock divided by a prescaler used as RTC clock

RTCEN

Bit 15: RTC clock enable.

Allowed values:
0: Disabled: RTC clock disabled
1: Enabled: RTC clock enabled

BDRST

Bit 16: Backup domain software reset.

Allowed values:
0: Disabled: Reset not activated
1: Enabled: Reset the entire RTC domain

CSR

Control/status register (RCC_CSR)

Offset: 0x24, reset: 0x0C000000, access: Unspecified

9/9 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
LPWRRSTF
rw 		WWDGRSTF
rw 		IWDGRSTF
rw 		SFTRSTF
rw 		PORRSTF
rw 		PINRSTF
rw 		RMVF
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LSIRDY
r 		LSION
rw
Toggle Fields

LSION

Bit 0: Internal low speed oscillator enable.

Allowed values:
0: Off: LSI oscillator Off
1: On: LSI oscillator On

LSIRDY

Bit 1: Internal low speed oscillator ready.

Allowed values:
0: NotReady: LSI oscillator not ready
1: Ready: LSI oscillator ready

RMVF

Bit 24: Remove reset flag.

Allowed values:
1: Clear: Clears the reset flag

PINRSTF

Bit 26: PIN reset flag.

Allowed values:
0: NoReset: No reset has occured
1: Reset: A reset has occured

PORRSTF

Bit 27: POR/PDR reset flag.

Allowed values:
0: NoReset: No reset has occured
1: Reset: A reset has occured

SFTRSTF

Bit 28: Software reset flag.

Allowed values:
0: NoReset: No reset has occured
1: Reset: A reset has occured

IWDGRSTF

Bit 29: Independent watchdog reset flag.

Allowed values:
0: NoReset: No reset has occured
1: Reset: A reset has occured

WWDGRSTF

Bit 30: Window watchdog reset flag.

Allowed values:
0: NoReset: No reset has occured
1: Reset: A reset has occured

LPWRRSTF

Bit 31: Low-power reset flag.

Allowed values:
0: NoReset: No reset has occured
1: Reset: A reset has occured

CFGR2

Clock configuration register 2

Offset: 0x2c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PREDIV1
rw
Toggle Fields

PREDIV1

Bits 0-3: PREDIV1 division factor.

Allowed values:
0: Div1: PREDIV input clock not divided
1: Div2: PREDIV input clock divided by 2
2: Div3: PREDIV input clock divided by 3
3: Div4: PREDIV input clock divided by 4
4: Div5: PREDIV input clock divided by 5
5: Div6: PREDIV input clock divided by 6
6: Div7: PREDIV input clock divided by 7
7: Div8: PREDIV input clock divided by 8
8: Div9: PREDIV input clock divided by 9
9: Div10: PREDIV input clock divided by 10
10: Div11: PREDIV input clock divided by 11
11: Div12: PREDIV input clock divided by 12
12: Div13: PREDIV input clock divided by 13
13: Div14: PREDIV input clock divided by 14
14: Div15: PREDIV input clock divided by 15
15: Div16: PREDIV input clock divided by 16

RTC

0x40002800: Real time clock

3/17 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CRH
0x4 CRL
0x8 PRLH
0xc PRLL
0x10 DIVH
0x14 DIVL
0x18 CNTH
0x1c CNTL
0x20 ALRH
0x24 ALRL

CRH

RTC Control Register High

Offset: 0x0, reset: 0x00000000, access: read-write

0/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OWIE
rw 		ALRIE
rw 		SECIE
rw
Toggle Fields

SECIE

Bit 0: Second interrupt Enable.

ALRIE

Bit 1: Alarm interrupt Enable.

OWIE

Bit 2: Overflow interrupt Enable.

CRL

RTC Control Register Low

Offset: 0x4, reset: 0x00000020, access: Unspecified

1/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RTOFF
r 		CNF
rw 		RSF
rw 		OWF
rw 		ALRF
rw 		SECF
rw
Toggle Fields

SECF

Bit 0: Second Flag.

ALRF

Bit 1: Alarm Flag.

OWF

Bit 2: Overflow Flag.

RSF

Bit 3: Registers Synchronized Flag.

CNF

Bit 4: Configuration Flag.

RTOFF

Bit 5: RTC operation OFF.

PRLH

RTC Prescaler Load Register High

Offset: 0x8, reset: 0x00000000, access: write-only

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PRLH
w
Toggle Fields

PRLH

Bits 0-3: RTC Prescaler Load Register High.

PRLL

RTC Prescaler Load Register Low

Offset: 0xc, reset: 0x8000, access: write-only

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PRLL
w
Toggle Fields

PRLL

Bits 0-15: RTC Prescaler Divider Register Low.

DIVH

RTC Prescaler Divider Register High

Offset: 0x10, reset: 0x00000000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DIVH
r
Toggle Fields

DIVH

Bits 0-3: RTC prescaler divider register high.

DIVL

RTC Prescaler Divider Register Low

Offset: 0x14, reset: 0x8000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DIVL
r
Toggle Fields

DIVL

Bits 0-15: RTC prescaler divider register Low.

CNTH

RTC Counter Register High

Offset: 0x18, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNTH
rw
Toggle Fields

CNTH

Bits 0-15: RTC counter register high.

CNTL

RTC Counter Register Low

Offset: 0x1c, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNTL
rw
Toggle Fields

CNTL

Bits 0-15: RTC counter register Low.

ALRH

RTC Alarm Register High

Offset: 0x20, reset: 0xFFFF, access: write-only

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ALRH
w
Toggle Fields

ALRH

Bits 0-15: RTC alarm register high.

ALRL

RTC Alarm Register Low

Offset: 0x24, reset: 0xFFFF, access: write-only

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ALRL
w
Toggle Fields

ALRL

Bits 0-15: RTC alarm register low.

SCB

0xe000ed00: System control block

5/74 fields covered. Toggle Registers

Show register map

CPUID

CPUID base register

Offset: 0x0, reset: 0x410FC241, access: read-only

5/5 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Implementer
r 		Variant
r 		Constant
r
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PartNo
r 		Revision
r
Toggle Fields

Revision

Bits 0-3: Revision number.

PartNo

Bits 4-15: Part number of the processor.

Constant

Bits 16-19: Reads as 0xF.

Variant

Bits 20-23: Variant number.

Implementer

Bits 24-31: Implementer code.

ICSR

Interrupt control and state register

Offset: 0x4, reset: 0x00000000, access: read-write

0/9 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
NMIPENDSET
rw 		PENDSVSET
rw 		PENDSVCLR
rw 		PENDSTSET
rw 		PENDSTCLR
rw 		ISRPENDING
rw 		VECTPENDING
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
VECTPENDING
rw 		RETTOBASE
rw 		VECTACTIVE
rw
Toggle Fields

VECTACTIVE

Bits 0-8: Active vector.

RETTOBASE

Bit 11: Return to base level.

VECTPENDING

Bits 12-18: Pending vector.

ISRPENDING

Bit 22: Interrupt pending flag.

PENDSTCLR

Bit 25: SysTick exception clear-pending bit.

PENDSTSET

Bit 26: SysTick exception set-pending bit.

PENDSVCLR

Bit 27: PendSV clear-pending bit.

PENDSVSET

Bit 28: PendSV set-pending bit.

NMIPENDSET

Bit 31: NMI set-pending bit..

VTOR

Vector table offset register

Offset: 0x8, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
TBLOFF
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TBLOFF
rw
Toggle Fields

TBLOFF

Bits 9-29: Vector table base offset field.

AIRCR

Application interrupt and reset control register

Offset: 0xc, reset: 0x00000000, access: read-write

0/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
VECTKEYSTAT
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ENDIANESS
rw 		PRIGROUP
rw 		SYSRESETREQ
rw 		VECTCLRACTIVE
rw 		VECTRESET
rw
Toggle Fields

VECTRESET

Bit 0: VECTRESET.

VECTCLRACTIVE

Bit 1: VECTCLRACTIVE.

SYSRESETREQ

Bit 2: SYSRESETREQ.

PRIGROUP

Bits 8-10: PRIGROUP.

ENDIANESS

Bit 15: ENDIANESS.

VECTKEYSTAT

Bits 16-31: Register key.

SCR

System control register

Offset: 0x10, reset: 0x00000000, access: read-write

0/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SEVEONPEND
rw 		SLEEPDEEP
rw 		SLEEPONEXIT
rw
Toggle Fields

SLEEPONEXIT

Bit 1: SLEEPONEXIT.

SLEEPDEEP

Bit 2: SLEEPDEEP.

SEVEONPEND

Bit 4: Send Event on Pending bit.

CCR

Configuration and control register

Offset: 0x14, reset: 0x00000000, access: read-write

0/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
STKALIGN
rw 		BFHFNMIGN
rw 		DIV_0_TRP
rw 		UNALIGN__TRP
rw 		USERSETMPEND
rw 		NONBASETHRDENA
rw
Toggle Fields

NONBASETHRDENA

Bit 0: Configures how the processor enters Thread mode.

USERSETMPEND

Bit 1: USERSETMPEND.

UNALIGN__TRP

Bit 3: UNALIGN_ TRP.

DIV_0_TRP

Bit 4: DIV_0_TRP.

BFHFNMIGN

Bit 8: BFHFNMIGN.

STKALIGN

Bit 9: STKALIGN.

SHPR1

System handler priority registers

Offset: 0x18, reset: 0x00000000, access: read-write

0/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PRI_6
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PRI_5
rw 		PRI_4
rw
Toggle Fields

PRI_4

Bits 0-7: Priority of system handler 4.

PRI_5

Bits 8-15: Priority of system handler 5.

PRI_6

Bits 16-23: Priority of system handler 6.

SHPR2

System handler priority registers

Offset: 0x1c, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PRI_11
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Toggle Fields

PRI_11

Bits 24-31: Priority of system handler 11.

SHPR3

System handler priority registers

Offset: 0x20, reset: 0x00000000, access: read-write

0/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PRI_15
rw 		PRI_14
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Toggle Fields

PRI_14

Bits 16-23: Priority of system handler 14.

PRI_15

Bits 24-31: Priority of system handler 15.

SHCRS

System handler control and state register

Offset: 0x24, reset: 0x00000000, access: read-write

0/14 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
USGFAULTENA
rw 		BUSFAULTENA
rw 		MEMFAULTENA
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SVCALLPENDED
rw 		BUSFAULTPENDED
rw 		MEMFAULTPENDED
rw 		USGFAULTPENDED
rw 		SYSTICKACT
rw 		PENDSVACT
rw 		MONITORACT
rw 		SVCALLACT
rw 		USGFAULTACT
rw 		BUSFAULTACT
rw 		MEMFAULTACT
rw
Toggle Fields

MEMFAULTACT

Bit 0: Memory management fault exception active bit.

BUSFAULTACT

Bit 1: Bus fault exception active bit.

USGFAULTACT

Bit 3: Usage fault exception active bit.

SVCALLACT

Bit 7: SVC call active bit.

MONITORACT

Bit 8: Debug monitor active bit.

PENDSVACT

Bit 10: PendSV exception active bit.

SYSTICKACT

Bit 11: SysTick exception active bit.

USGFAULTPENDED

Bit 12: Usage fault exception pending bit.

MEMFAULTPENDED

Bit 13: Memory management fault exception pending bit.

BUSFAULTPENDED

Bit 14: Bus fault exception pending bit.

SVCALLPENDED

Bit 15: SVC call pending bit.

MEMFAULTENA

Bit 16: Memory management fault enable bit.

BUSFAULTENA

Bit 17: Bus fault enable bit.

USGFAULTENA

Bit 18: Usage fault enable bit.

CFSR_UFSR_BFSR_MMFSR

Configurable fault status register

Offset: 0x28, reset: 0x00000000, access: read-write

0/19 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
DIVBYZERO
rw 		UNALIGNED
rw 		NOCP
rw 		INVPC
rw 		INVSTATE
rw 		UNDEFINSTR
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BFARVALID
rw 		LSPERR
rw 		STKERR
rw 		UNSTKERR
rw 		IMPRECISERR
rw 		PRECISERR
rw 		IBUSERR
rw 		MMARVALID
rw 		MLSPERR
rw 		MSTKERR
rw 		MUNSTKERR
rw 		DACCVIOL
rw 		IACCVIOL
rw
Toggle Fields

IACCVIOL

Bit 0: IACCVIOL.

DACCVIOL

Bit 1: DACCVIOL.

MUNSTKERR

Bit 3: MUNSTKERR.

MSTKERR

Bit 4: MSTKERR.

MLSPERR

Bit 5: MLSPERR.

MMARVALID

Bit 7: MMARVALID.

IBUSERR

Bit 8: Instruction bus error.

PRECISERR

Bit 9: Precise data bus error.

IMPRECISERR

Bit 10: Imprecise data bus error.

UNSTKERR

Bit 11: Bus fault on unstacking for a return from exception.

STKERR

Bit 12: Bus fault on stacking for exception entry.

LSPERR

Bit 13: Bus fault on floating-point lazy state preservation.

BFARVALID

Bit 15: Bus Fault Address Register (BFAR) valid flag.

UNDEFINSTR

Bit 16: Undefined instruction usage fault.

INVSTATE

Bit 17: Invalid state usage fault.

INVPC

Bit 18: Invalid PC load usage fault.

NOCP

Bit 19: No coprocessor usage fault..

UNALIGNED

Bit 24: Unaligned access usage fault.

DIVBYZERO

Bit 25: Divide by zero usage fault.

HFSR

Hard fault status register

Offset: 0x2c, reset: 0x00000000, access: read-write

0/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
DEBUG_VT
rw 		FORCED
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
VECTTBL
rw
Toggle Fields

VECTTBL

Bit 1: Vector table hard fault.

FORCED

Bit 30: Forced hard fault.

DEBUG_VT

Bit 31: Reserved for Debug use.

MMFAR

Memory management fault address register

Offset: 0x34, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MMFAR
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MMFAR
rw
Toggle Fields

MMFAR

Bits 0-31: Memory management fault address.

BFAR

Bus fault address register

Offset: 0x38, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
BFAR
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BFAR
rw
Toggle Fields

BFAR

Bits 0-31: Bus fault address.

SCB_ACTRL

0xe000e008: System control block ACTLR

0/4 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 ACTRL

ACTRL

Auxiliary control register

Offset: 0x0, reset: 0x00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DISITMATBFLUSH
rw 		DISRAMODE
rw 		FPEXCODIS
rw 		DISFOLD
rw
Toggle Fields

DISFOLD

Bit 2: DISFOLD.

FPEXCODIS

Bit 10: FPEXCODIS.

DISRAMODE

Bit 11: DISRAMODE.

DISITMATBFLUSH

Bit 12: DISITMATBFLUSH.

SPI1

0x40013000: Serial peripheral interface

30/30 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0x4 CR2
0x8 SR
0xc DR
0x10 CRCPR
0x14 RXCRCR
0x18 TXCRCR

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

14/14 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BIDIMODE
rw 		BIDIOE
rw 		CRCEN
rw 		CRCNEXT
rw 		DFF
rw 		RXONLY
rw 		SSM
rw 		SSI
rw 		LSBFIRST
rw 		SPE
rw 		BR
rw 		MSTR
rw 		CPOL
rw 		CPHA
rw
Toggle Fields

CPHA

Bit 0: Clock phase.

Allowed values:
0: FirstEdge: The first clock transition is the first data capture edge
1: SecondEdge: The second clock transition is the first data capture edge

CPOL

Bit 1: Clock polarity.

Allowed values:
0: IdleLow: CK to 0 when idle
1: IdleHigh: CK to 1 when idle

MSTR

Bit 2: Master selection.

Allowed values:
0: Slave: Slave configuration
1: Master: Master configuration

BR

Bits 3-5: Baud rate control.

Allowed values:
0: Div2: f_PCLK / 2
1: Div4: f_PCLK / 4
2: Div8: f_PCLK / 8
3: Div16: f_PCLK / 16
4: Div32: f_PCLK / 32
5: Div64: f_PCLK / 64
6: Div128: f_PCLK / 128
7: Div256: f_PCLK / 256

SPE

Bit 6: SPI enable.

Allowed values:
0: Disabled: Peripheral disabled
1: Enabled: Peripheral enabled

LSBFIRST

Bit 7: Frame format.

Allowed values:
0: MSBFirst: Data is transmitted/received with the MSB first
1: LSBFirst: Data is transmitted/received with the LSB first

SSI

Bit 8: Internal slave select.

Allowed values:
0: SlaveSelected: 0 is forced onto the NSS pin and the I/O value of the NSS pin is ignored
1: SlaveNotSelected: 1 is forced onto the NSS pin and the I/O value of the NSS pin is ignored

SSM

Bit 9: Software slave management.

Allowed values:
0: Disabled: Software slave management disabled
1: Enabled: Software slave management enabled

RXONLY

Bit 10: Receive only.

Allowed values:
0: FullDuplex: Full duplex (Transmit and receive)
1: OutputDisabled: Output disabled (Receive-only mode)

DFF

Bit 11: Data frame format.

Allowed values:
0: EightBit: 8-bit data frame format is selected for transmission/reception
1: SixteenBit: 16-bit data frame format is selected for transmission/reception

CRCNEXT

Bit 12: CRC transfer next.

Allowed values:
0: TxBuffer: Next transmit value is from Tx buffer
1: CRC: Next transmit value is from Tx CRC register

CRCEN

Bit 13: Hardware CRC calculation enable.

Allowed values:
0: Disabled: CRC calculation disabled
1: Enabled: CRC calculation enabled

BIDIOE

Bit 14: Output enable in bidirectional mode.

Allowed values:
0: OutputDisabled: Output disabled (receive-only mode)
1: OutputEnabled: Output enabled (transmit-only mode)

BIDIMODE

Bit 15: Bidirectional data mode enable.

Allowed values:
0: Unidirectional: 2-line unidirectional data mode selected
1: Bidirectional: 1-line bidirectional data mode selected

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TXEIE
rw 		RXNEIE
rw 		ERRIE
rw 		SSOE
rw 		TXDMAEN
rw 		RXDMAEN
rw
Toggle Fields

RXDMAEN

Bit 0: Rx buffer DMA enable.

Allowed values:
0: Disabled: Rx buffer DMA disabled
1: Enabled: Rx buffer DMA enabled

TXDMAEN

Bit 1: Tx buffer DMA enable.

Allowed values:
0: Disabled: Tx buffer DMA disabled
1: Enabled: Tx buffer DMA enabled

SSOE

Bit 2: SS output enable.

Allowed values:
0: Disabled: SS output is disabled in master mode
1: Enabled: SS output is enabled in master mode

ERRIE

Bit 5: Error interrupt enable.

Allowed values:
0: Masked: Error interrupt masked
1: NotMasked: Error interrupt not masked

RXNEIE

Bit 6: RX buffer not empty interrupt enable.

Allowed values:
0: Masked: RXE interrupt masked
1: NotMasked: RXE interrupt not masked

TXEIE

Bit 7: Tx buffer empty interrupt enable.

Allowed values:
0: Masked: TXE interrupt masked
1: NotMasked: TXE interrupt not masked

SR

status register

Offset: 0x8, reset: 0x0002, access: Unspecified

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BSY
r 		OVR
r 		MODF
r 		CRCERR
rw 		TXE
r 		RXNE
r
Toggle Fields

RXNE

Bit 0: Receive buffer not empty.

Allowed values:
0: Empty: Rx buffer empty
1: NotEmpty: Rx buffer not empty

TXE

Bit 1: Transmit buffer empty.

Allowed values:
0: NotEmpty: Tx buffer not empty
1: Empty: Tx buffer empty

CRCERR

Bit 4: CRC error flag.

Allowed values:
0: Match: CRC value received matches the SPIx_RXCRCR value
1: NoMatch: CRC value received does not match the SPIx_RXCRCR value

MODF

Bit 5: Mode fault.

Allowed values:
0: NoFault: No mode fault occurred
1: Fault: Mode fault occurred

OVR

Bit 6: Overrun flag.

Allowed values:
0: NoOverrun: No overrun occurred
1: Overrun: Overrun occurred

BSY

Bit 7: Busy flag.

Allowed values:
0: NotBusy: SPI not busy
1: Busy: SPI busy

DR

data register

Offset: 0xc, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DR
rw
Toggle Fields

DR

Bits 0-15: Data register.

Allowed values: 0x0-0xffff

CRCPR

CRC polynomial register

Offset: 0x10, reset: 0x0007, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CRCPOLY
rw
Toggle Fields

CRCPOLY

Bits 0-15: CRC polynomial register.

Allowed values: 0x0-0xffff

RXCRCR

RX CRC register

Offset: 0x14, reset: 0x0000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RxCRC
r
Toggle Fields

RxCRC

Bits 0-15: Rx CRC register.

Allowed values: 0x0-0xffff

TXCRCR

TX CRC register

Offset: 0x18, reset: 0x0000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TxCRC
r
Toggle Fields

TxCRC

Bits 0-15: Tx CRC register.

Allowed values: 0x0-0xffff

SPI2

0x40003800: Serial peripheral interface

30/30 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0x4 CR2
0x8 SR
0xc DR
0x10 CRCPR
0x14 RXCRCR
0x18 TXCRCR

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

14/14 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BIDIMODE
rw 		BIDIOE
rw 		CRCEN
rw 		CRCNEXT
rw 		DFF
rw 		RXONLY
rw 		SSM
rw 		SSI
rw 		LSBFIRST
rw 		SPE
rw 		BR
rw 		MSTR
rw 		CPOL
rw 		CPHA
rw
Toggle Fields

CPHA

Bit 0: Clock phase.

Allowed values:
0: FirstEdge: The first clock transition is the first data capture edge
1: SecondEdge: The second clock transition is the first data capture edge

CPOL

Bit 1: Clock polarity.

Allowed values:
0: IdleLow: CK to 0 when idle
1: IdleHigh: CK to 1 when idle

MSTR

Bit 2: Master selection.

Allowed values:
0: Slave: Slave configuration
1: Master: Master configuration

BR

Bits 3-5: Baud rate control.

Allowed values:
0: Div2: f_PCLK / 2
1: Div4: f_PCLK / 4
2: Div8: f_PCLK / 8
3: Div16: f_PCLK / 16
4: Div32: f_PCLK / 32
5: Div64: f_PCLK / 64
6: Div128: f_PCLK / 128
7: Div256: f_PCLK / 256

SPE

Bit 6: SPI enable.

Allowed values:
0: Disabled: Peripheral disabled
1: Enabled: Peripheral enabled

LSBFIRST

Bit 7: Frame format.

Allowed values:
0: MSBFirst: Data is transmitted/received with the MSB first
1: LSBFirst: Data is transmitted/received with the LSB first

SSI

Bit 8: Internal slave select.

Allowed values:
0: SlaveSelected: 0 is forced onto the NSS pin and the I/O value of the NSS pin is ignored
1: SlaveNotSelected: 1 is forced onto the NSS pin and the I/O value of the NSS pin is ignored

SSM

Bit 9: Software slave management.

Allowed values:
0: Disabled: Software slave management disabled
1: Enabled: Software slave management enabled

RXONLY

Bit 10: Receive only.

Allowed values:
0: FullDuplex: Full duplex (Transmit and receive)
1: OutputDisabled: Output disabled (Receive-only mode)

DFF

Bit 11: Data frame format.

Allowed values:
0: EightBit: 8-bit data frame format is selected for transmission/reception
1: SixteenBit: 16-bit data frame format is selected for transmission/reception

CRCNEXT

Bit 12: CRC transfer next.

Allowed values:
0: TxBuffer: Next transmit value is from Tx buffer
1: CRC: Next transmit value is from Tx CRC register

CRCEN

Bit 13: Hardware CRC calculation enable.

Allowed values:
0: Disabled: CRC calculation disabled
1: Enabled: CRC calculation enabled

BIDIOE

Bit 14: Output enable in bidirectional mode.

Allowed values:
0: OutputDisabled: Output disabled (receive-only mode)
1: OutputEnabled: Output enabled (transmit-only mode)

BIDIMODE

Bit 15: Bidirectional data mode enable.

Allowed values:
0: Unidirectional: 2-line unidirectional data mode selected
1: Bidirectional: 1-line bidirectional data mode selected

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TXEIE
rw 		RXNEIE
rw 		ERRIE
rw 		SSOE
rw 		TXDMAEN
rw 		RXDMAEN
rw
Toggle Fields

RXDMAEN

Bit 0: Rx buffer DMA enable.

Allowed values:
0: Disabled: Rx buffer DMA disabled
1: Enabled: Rx buffer DMA enabled

TXDMAEN

Bit 1: Tx buffer DMA enable.

Allowed values:
0: Disabled: Tx buffer DMA disabled
1: Enabled: Tx buffer DMA enabled

SSOE

Bit 2: SS output enable.

Allowed values:
0: Disabled: SS output is disabled in master mode
1: Enabled: SS output is enabled in master mode

ERRIE

Bit 5: Error interrupt enable.

Allowed values:
0: Masked: Error interrupt masked
1: NotMasked: Error interrupt not masked

RXNEIE

Bit 6: RX buffer not empty interrupt enable.

Allowed values:
0: Masked: RXE interrupt masked
1: NotMasked: RXE interrupt not masked

TXEIE

Bit 7: Tx buffer empty interrupt enable.

Allowed values:
0: Masked: TXE interrupt masked
1: NotMasked: TXE interrupt not masked

SR

status register

Offset: 0x8, reset: 0x0002, access: Unspecified

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BSY
r 		OVR
r 		MODF
r 		CRCERR
rw 		TXE
r 		RXNE
r
Toggle Fields

RXNE

Bit 0: Receive buffer not empty.

Allowed values:
0: Empty: Rx buffer empty
1: NotEmpty: Rx buffer not empty

TXE

Bit 1: Transmit buffer empty.

Allowed values:
0: NotEmpty: Tx buffer not empty
1: Empty: Tx buffer empty

CRCERR

Bit 4: CRC error flag.

Allowed values:
0: Match: CRC value received matches the SPIx_RXCRCR value
1: NoMatch: CRC value received does not match the SPIx_RXCRCR value

MODF

Bit 5: Mode fault.

Allowed values:
0: NoFault: No mode fault occurred
1: Fault: Mode fault occurred

OVR

Bit 6: Overrun flag.

Allowed values:
0: NoOverrun: No overrun occurred
1: Overrun: Overrun occurred

BSY

Bit 7: Busy flag.

Allowed values:
0: NotBusy: SPI not busy
1: Busy: SPI busy

DR

data register

Offset: 0xc, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DR
rw
Toggle Fields

DR

Bits 0-15: Data register.

Allowed values: 0x0-0xffff

CRCPR

CRC polynomial register

Offset: 0x10, reset: 0x0007, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CRCPOLY
rw
Toggle Fields

CRCPOLY

Bits 0-15: CRC polynomial register.

Allowed values: 0x0-0xffff

RXCRCR

RX CRC register

Offset: 0x14, reset: 0x0000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RxCRC
r
Toggle Fields

RxCRC

Bits 0-15: Rx CRC register.

Allowed values: 0x0-0xffff

TXCRCR

TX CRC register

Offset: 0x18, reset: 0x0000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TxCRC
r
Toggle Fields

TxCRC

Bits 0-15: Tx CRC register.

Allowed values: 0x0-0xffff

SPI3

0x40003c00: Serial peripheral interface

30/30 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0x4 CR2
0x8 SR
0xc DR
0x10 CRCPR
0x14 RXCRCR
0x18 TXCRCR

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

14/14 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BIDIMODE
rw 		BIDIOE
rw 		CRCEN
rw 		CRCNEXT
rw 		DFF
rw 		RXONLY
rw 		SSM
rw 		SSI
rw 		LSBFIRST
rw 		SPE
rw 		BR
rw 		MSTR
rw 		CPOL
rw 		CPHA
rw
Toggle Fields

CPHA

Bit 0: Clock phase.

Allowed values:
0: FirstEdge: The first clock transition is the first data capture edge
1: SecondEdge: The second clock transition is the first data capture edge

CPOL

Bit 1: Clock polarity.

Allowed values:
0: IdleLow: CK to 0 when idle
1: IdleHigh: CK to 1 when idle

MSTR

Bit 2: Master selection.

Allowed values:
0: Slave: Slave configuration
1: Master: Master configuration

BR

Bits 3-5: Baud rate control.

Allowed values:
0: Div2: f_PCLK / 2
1: Div4: f_PCLK / 4
2: Div8: f_PCLK / 8
3: Div16: f_PCLK / 16
4: Div32: f_PCLK / 32
5: Div64: f_PCLK / 64
6: Div128: f_PCLK / 128
7: Div256: f_PCLK / 256

SPE

Bit 6: SPI enable.

Allowed values:
0: Disabled: Peripheral disabled
1: Enabled: Peripheral enabled

LSBFIRST

Bit 7: Frame format.

Allowed values:
0: MSBFirst: Data is transmitted/received with the MSB first
1: LSBFirst: Data is transmitted/received with the LSB first

SSI

Bit 8: Internal slave select.

Allowed values:
0: SlaveSelected: 0 is forced onto the NSS pin and the I/O value of the NSS pin is ignored
1: SlaveNotSelected: 1 is forced onto the NSS pin and the I/O value of the NSS pin is ignored

SSM

Bit 9: Software slave management.

Allowed values:
0: Disabled: Software slave management disabled
1: Enabled: Software slave management enabled

RXONLY

Bit 10: Receive only.

Allowed values:
0: FullDuplex: Full duplex (Transmit and receive)
1: OutputDisabled: Output disabled (Receive-only mode)

DFF

Bit 11: Data frame format.

Allowed values:
0: EightBit: 8-bit data frame format is selected for transmission/reception
1: SixteenBit: 16-bit data frame format is selected for transmission/reception

CRCNEXT

Bit 12: CRC transfer next.

Allowed values:
0: TxBuffer: Next transmit value is from Tx buffer
1: CRC: Next transmit value is from Tx CRC register

CRCEN

Bit 13: Hardware CRC calculation enable.

Allowed values:
0: Disabled: CRC calculation disabled
1: Enabled: CRC calculation enabled

BIDIOE

Bit 14: Output enable in bidirectional mode.

Allowed values:
0: OutputDisabled: Output disabled (receive-only mode)
1: OutputEnabled: Output enabled (transmit-only mode)

BIDIMODE

Bit 15: Bidirectional data mode enable.

Allowed values:
0: Unidirectional: 2-line unidirectional data mode selected
1: Bidirectional: 1-line bidirectional data mode selected

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TXEIE
rw 		RXNEIE
rw 		ERRIE
rw 		SSOE
rw 		TXDMAEN
rw 		RXDMAEN
rw
Toggle Fields

RXDMAEN

Bit 0: Rx buffer DMA enable.

Allowed values:
0: Disabled: Rx buffer DMA disabled
1: Enabled: Rx buffer DMA enabled

TXDMAEN

Bit 1: Tx buffer DMA enable.

Allowed values:
0: Disabled: Tx buffer DMA disabled
1: Enabled: Tx buffer DMA enabled

SSOE

Bit 2: SS output enable.

Allowed values:
0: Disabled: SS output is disabled in master mode
1: Enabled: SS output is enabled in master mode

ERRIE

Bit 5: Error interrupt enable.

Allowed values:
0: Masked: Error interrupt masked
1: NotMasked: Error interrupt not masked

RXNEIE

Bit 6: RX buffer not empty interrupt enable.

Allowed values:
0: Masked: RXE interrupt masked
1: NotMasked: RXE interrupt not masked

TXEIE

Bit 7: Tx buffer empty interrupt enable.

Allowed values:
0: Masked: TXE interrupt masked
1: NotMasked: TXE interrupt not masked

SR

status register

Offset: 0x8, reset: 0x0002, access: Unspecified

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BSY
r 		OVR
r 		MODF
r 		CRCERR
rw 		TXE
r 		RXNE
r
Toggle Fields

RXNE

Bit 0: Receive buffer not empty.

Allowed values:
0: Empty: Rx buffer empty
1: NotEmpty: Rx buffer not empty

TXE

Bit 1: Transmit buffer empty.

Allowed values:
0: NotEmpty: Tx buffer not empty
1: Empty: Tx buffer empty

CRCERR

Bit 4: CRC error flag.

Allowed values:
0: Match: CRC value received matches the SPIx_RXCRCR value
1: NoMatch: CRC value received does not match the SPIx_RXCRCR value

MODF

Bit 5: Mode fault.

Allowed values:
0: NoFault: No mode fault occurred
1: Fault: Mode fault occurred

OVR

Bit 6: Overrun flag.

Allowed values:
0: NoOverrun: No overrun occurred
1: Overrun: Overrun occurred

BSY

Bit 7: Busy flag.

Allowed values:
0: NotBusy: SPI not busy
1: Busy: SPI busy

DR

data register

Offset: 0xc, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DR
rw
Toggle Fields

DR

Bits 0-15: Data register.

Allowed values: 0x0-0xffff

CRCPR

CRC polynomial register

Offset: 0x10, reset: 0x0007, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CRCPOLY
rw
Toggle Fields

CRCPOLY

Bits 0-15: CRC polynomial register.

Allowed values: 0x0-0xffff

RXCRCR

RX CRC register

Offset: 0x14, reset: 0x0000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RxCRC
r
Toggle Fields

RxCRC

Bits 0-15: Rx CRC register.

Allowed values: 0x0-0xffff

TXCRCR

TX CRC register

Offset: 0x18, reset: 0x0000, access: read-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TxCRC
r
Toggle Fields

TxCRC

Bits 0-15: Tx CRC register.

Allowed values: 0x0-0xffff

STK

0xe000e010: SysTick timer

0/7 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CTRL
0x4 LOAD_
0x8 VAL
0xc CALIB

CTRL

SysTick control and status register

Offset: 0x0, reset: 0X00000000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
COUNTFLAG
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CLKSOURCE
rw 		TICKINT
rw 		ENABLE
rw
Toggle Fields

ENABLE

Bit 0: Counter enable.

TICKINT

Bit 1: SysTick exception request enable.

CLKSOURCE

Bit 2: Clock source selection.

COUNTFLAG

Bit 16: COUNTFLAG.

LOAD_

SysTick reload value register

Offset: 0x4, reset: 0X00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
RELOAD
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RELOAD
rw
Toggle Fields

RELOAD

Bits 0-23: RELOAD value.

VAL

SysTick current value register

Offset: 0x8, reset: 0X00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CURRENT
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CURRENT
rw
Toggle Fields

CURRENT

Bits 0-23: Current counter value.

CALIB

SysTick calibration value register

Offset: 0xc, reset: 0X00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
TENMS
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TENMS
rw
Toggle Fields

TENMS

Bits 0-23: Calibration value.

TIM1

0x40012c00: Advanced timer

80/127 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0x4 CR2
0x8 SMCR
0xc DIER
0x10 SR
0x14 EGR
0x18 CCMR1_Input
0x18 CCMR1_Output
0x1c CCMR2_Input
0x1c CCMR2_Output
0x20 CCER
0x24 CNT
0x28 PSC
0x2c ARR
0x30 RCR
0x34 CCR[1]
0x38 CCR[2]
0x3c CCR[3]
0x40 CCR[4]
0x44 BDTR
0x48 DCR
0x4c DMAR

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

8/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CKD
rw 		ARPE
rw 		CMS
rw 		DIR
rw 		OPM
rw 		URS
rw 		UDIS
rw 		CEN
rw
Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

Allowed values:
0: AnyEvent: Any of counter overflow/underflow, setting UG, or update through slave mode, generates an update interrupt or DMA request
1: CounterOnly: Only counter overflow/underflow generates an update interrupt or DMA request

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

DIR

Bit 4: Direction.

Allowed values:
0: Up: Counter used as upcounter
1: Down: Counter used as downcounter

CMS

Bits 5-6: Center-aligned mode selection.

Allowed values:
0: EdgeAligned: The counter counts up or down depending on the direction bit
1: CenterAligned1: The counter counts up and down alternatively. Output compare interrupt flags are set only when the counter is counting down.
2: CenterAligned2: The counter counts up and down alternatively. Output compare interrupt flags are set only when the counter is counting up.
3: CenterAligned3: The counter counts up and down alternatively. Output compare interrupt flags are set both when the counter is counting up or down.

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CKD

Bits 8-9: Clock division.

Allowed values:
0: Div1: t_DTS = t_CK_INT
1: Div2: t_DTS = 2 × t_CK_INT
2: Div4: t_DTS = 4 × t_CK_INT

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

3/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OIS4
rw 		OIS3N
rw 		OIS3
rw 		OIS2N
rw 		OIS2
rw 		OIS1N
rw 		OIS1
rw 		TI1S
rw 		MMS
rw 		CCDS
rw 		CCUS
rw 		CCPC
rw
Toggle Fields

CCPC

Bit 0: Capture/compare preloaded control.

CCUS

Bit 2: Capture/compare control update selection.

CCDS

Bit 3: Capture/compare DMA selection.

Allowed values:
0: OnCompare: CCx DMA request sent when CCx event occurs
1: OnUpdate: CCx DMA request sent when update event occurs

MMS

Bits 4-6: Master mode selection.

Allowed values:
0: Reset: The UG bit from the TIMx_EGR register is used as trigger output
1: Enable: The counter enable signal, CNT_EN, is used as trigger output
2: Update: The update event is selected as trigger output
3: ComparePulse: The trigger output send a positive pulse when the CC1IF flag it to be set, as soon as a capture or a compare match occurred
4: CompareOC1: OC1REF signal is used as trigger output
5: CompareOC2: OC2REF signal is used as trigger output
6: CompareOC3: OC3REF signal is used as trigger output
7: CompareOC4: OC4REF signal is used as trigger output

TI1S

Bit 7: TI1 selection.

Allowed values:
0: Normal: The TIMx_CH1 pin is connected to TI1 input
1: XOR: The TIMx_CH1, CH2, CH3 pins are connected to TI1 input

OIS1

Bit 8: Output Idle state 1.

OIS1N

Bit 9: Output Idle state 1.

OIS2

Bit 10: Output Idle state 2.

OIS2N

Bit 11: Output Idle state 2.

OIS3

Bit 12: Output Idle state 3.

OIS3N

Bit 13: Output Idle state 3.

OIS4

Bit 14: Output Idle state 4.

SMCR

slave mode control register

Offset: 0x8, reset: 0x0000, access: read-write

7/7 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ETP
rw 		ECE
rw 		ETPS
rw 		ETF
rw 		MSM
rw 		TS
rw 		SMS
rw
Toggle Fields

SMS

Bits 0-2: Slave mode selection.

Allowed values:
0: Disabled: Slave mode disabled - if CEN = ‘1 then the prescaler is clocked directly by the internal clock.
1: Encoder_Mode_1: Encoder mode 1 - Counter counts up/down on TI2FP1 edge depending on TI1FP2 level.
2: Encoder_Mode_2: Encoder mode 2 - Counter counts up/down on TI1FP2 edge depending on TI2FP1 level.
3: Encoder_Mode_3: Encoder mode 3 - Counter counts up/down on both TI1FP1 and TI2FP2 edges depending on the level of the other input.
4: Reset_Mode: Reset Mode - Rising edge of the selected trigger input (TRGI) reinitializes the counter and generates an update of the registers.
5: Gated_Mode: Gated Mode - The counter clock is enabled when the trigger input (TRGI) is high. The counter stops (but is not reset) as soon as the trigger becomes low. Both start and stop of the counter are controlled.
6: Trigger_Mode: Trigger Mode - The counter starts at a rising edge of the trigger TRGI (but it is not reset). Only the start of the counter is controlled.
7: Ext_Clock_Mode: External Clock Mode 1 - Rising edges of the selected trigger (TRGI) clock the counter.

TS

Bits 4-6: Trigger selection.

Allowed values:
0: ITR0: Internal Trigger 0 (ITR0)
1: ITR1: Internal Trigger 1 (ITR1)
2: ITR2: Internal Trigger 2 (ITR2)
4: TI1F_ED: TI1 Edge Detector (TI1F_ED)
5: TI1FP1: Filtered Timer Input 1 (TI1FP1)
6: TI2FP2: Filtered Timer Input 2 (TI2FP2)
7: ETRF: External Trigger input (ETRF)

MSM

Bit 7: Master/Slave mode.

Allowed values:
0: NoSync: No action
1: Sync: The effect of an event on the trigger input (TRGI) is delayed to allow a perfect synchronization between the current timer and its slaves (through TRGO). It is useful if we want to synchronize several timers on a single external event.

ETF

Bits 8-11: External trigger filter.

Allowed values:
0: NoFilter: No filter, sampling is done at fDTS
1: FCK_INT_N2: fSAMPLING=fCK_INT, N=2
2: FCK_INT_N4: fSAMPLING=fCK_INT, N=4
3: FCK_INT_N8: fSAMPLING=fCK_INT, N=8
4: FDTS_Div2_N6: fSAMPLING=fDTS/2, N=6
5: FDTS_Div2_N8: fSAMPLING=fDTS/2, N=8
6: FDTS_Div4_N6: fSAMPLING=fDTS/4, N=6
7: FDTS_Div4_N8: fSAMPLING=fDTS/4, N=8
8: FDTS_Div8_N6: fSAMPLING=fDTS/8, N=6
9: FDTS_Div8_N8: fSAMPLING=fDTS/8, N=8
10: FDTS_Div16_N5: fSAMPLING=fDTS/16, N=5
11: FDTS_Div16_N6: fSAMPLING=fDTS/16, N=6
12: FDTS_Div16_N8: fSAMPLING=fDTS/16, N=8
13: FDTS_Div32_N5: fSAMPLING=fDTS/32, N=5
14: FDTS_Div32_N6: fSAMPLING=fDTS/32, N=6
15: FDTS_Div32_N8: fSAMPLING=fDTS/32, N=8

ETPS

Bits 12-13: External trigger prescaler.

Allowed values:
0: Div1: Prescaler OFF
1: Div2: ETRP frequency divided by 2
2: Div4: ETRP frequency divided by 4
3: Div8: ETRP frequency divided by 8

ECE

Bit 14: External clock enable.

Allowed values:
0: Disabled: External clock mode 2 disabled
1: Enabled: External clock mode 2 enabled. The counter is clocked by any active edge on the ETRF signal.

ETP

Bit 15: External trigger polarity.

Allowed values:
0: NotInverted: ETR is noninverted, active at high level or rising edge
1: Inverted: ETR is inverted, active at low level or falling edge

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

12/15 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TDE
rw 		COMDE
rw 		CC4DE
rw 		CC3DE
rw 		CC2DE
rw 		CC1DE
rw 		UDE
rw 		BIE
rw 		TIE
rw 		COMIE
rw 		CC4IE
rw 		CC3IE
rw 		CC2IE
rw 		CC1IE
rw 		UIE
rw
Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

CC1IE

Bit 1: Capture/Compare 1 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

CC2IE

Bit 2: Capture/Compare 2 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

CC3IE

Bit 3: Capture/Compare 3 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

CC4IE

Bit 4: Capture/Compare 4 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

COMIE

Bit 5: COM interrupt enable.

TIE

Bit 6: Trigger interrupt enable.

Allowed values:
0: Disabled: Trigger interrupt disabled
1: Enabled: Trigger interrupt enabled

BIE

Bit 7: Break interrupt enable.

UDE

Bit 8: Update DMA request enable.

Allowed values:
0: Disabled: Update DMA request disabled
1: Enabled: Update DMA request enabled

CC1DE

Bit 9: Capture/Compare 1 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

CC2DE

Bit 10: Capture/Compare 2 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

CC3DE

Bit 11: Capture/Compare 3 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

CC4DE

Bit 12: Capture/Compare 4 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

COMDE

Bit 13: COM DMA request enable.

TDE

Bit 14: Trigger DMA request enable.

Allowed values:
0: Disabled: Trigger DMA request disabled
1: Enabled: Trigger DMA request enabled

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

10/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC4OF
rw 		CC3OF
rw 		CC2OF
rw 		CC1OF
rw 		BIF
rw 		TIF
rw 		COMIF
rw 		CC4IF
rw 		CC3IF
rw 		CC2IF
rw 		CC1IF
rw 		UIF
rw
Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

CC1IF

Bit 1: Capture/compare 1 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

CC2IF

Bit 2: Capture/Compare 2 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

CC3IF

Bit 3: Capture/Compare 3 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

CC4IF

Bit 4: Capture/Compare 4 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

COMIF

Bit 5: COM interrupt flag.

TIF

Bit 6: Trigger interrupt flag.

Allowed values:
0: NoTrigger: No trigger event occurred
1: Trigger: Trigger interrupt pending

BIF

Bit 7: Break interrupt flag.

CC1OF

Bit 9: Capture/Compare 1 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

CC2OF

Bit 10: Capture/compare 2 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

CC3OF

Bit 11: Capture/Compare 3 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

CC4OF

Bit 12: Capture/Compare 4 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

6/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BG
w 		TG
w 		COMG
w 		CC4G
w 		CC3G
w 		CC2G
w 		CC1G
w 		UG
w
Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CC1G

Bit 1: Capture/compare 1 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

CC2G

Bit 2: Capture/compare 2 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

CC3G

Bit 3: Capture/compare 3 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

CC4G

Bit 4: Capture/compare 4 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

COMG

Bit 5: Capture/Compare control update generation.

TG

Bit 6: Trigger generation.

Allowed values:
1: Trigger: The TIF flag is set in TIMx_SR register. Related interrupt or DMA transfer can occur if enabled.

BG

Bit 7: Break generation.

CCMR1_Input

capture/compare mode register 1 (input mode)

Offset: 0x18, reset: 0x00000000, access: read-write

4/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IC2F
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IC2F
rw 		IC2PSC
rw 		CC2S
rw 		IC1F
rw 		IC1PSC
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

Allowed values:
1: TI1: CC1 channel is configured as input, IC1 is mapped on TI1
2: TI2: CC1 channel is configured as input, IC1 is mapped on TI2
3: TRC: CC1 channel is configured as input, IC1 is mapped on TRC

IC1PSC

Bits 2-3: Input capture 1 prescaler.

IC1F

Bits 4-7: Input capture 1 filter.

Allowed values:
0: NoFilter: No filter, sampling is done at fDTS
1: FCK_INT_N2: fSAMPLING=fCK_INT, N=2
2: FCK_INT_N4: fSAMPLING=fCK_INT, N=4
3: FCK_INT_N8: fSAMPLING=fCK_INT, N=8
4: FDTS_Div2_N6: fSAMPLING=fDTS/2, N=6
5: FDTS_Div2_N8: fSAMPLING=fDTS/2, N=8
6: FDTS_Div4_N6: fSAMPLING=fDTS/4, N=6
7: FDTS_Div4_N8: fSAMPLING=fDTS/4, N=8
8: FDTS_Div8_N6: fSAMPLING=fDTS/8, N=6
9: FDTS_Div8_N8: fSAMPLING=fDTS/8, N=8
10: FDTS_Div16_N5: fSAMPLING=fDTS/16, N=5
11: FDTS_Div16_N6: fSAMPLING=fDTS/16, N=6
12: FDTS_Div16_N8: fSAMPLING=fDTS/16, N=8
13: FDTS_Div32_N5: fSAMPLING=fDTS/32, N=5
14: FDTS_Div32_N6: fSAMPLING=fDTS/32, N=6
15: FDTS_Div32_N8: fSAMPLING=fDTS/32, N=8

CC2S

Bits 8-9: Capture/Compare 2 selection.

Allowed values:
1: TI2: CC2 channel is configured as input, IC2 is mapped on TI2
2: TI1: CC2 channel is configured as input, IC2 is mapped on TI1
3: TRC: CC2 channel is configured as input, IC2 is mapped on TRC

IC2PSC

Bits 10-11: Input capture 2 prescaler.

IC2F

Bits 15-18: Input capture 2 filter.

Allowed values: 0x0-0xf

CCMR1_Output

capture/compare mode register (output mode)

Offset: 0x18, reset: 0x00000000, access: read-write

6/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OC2CE
rw 		OC2M
rw 		OC2PE
rw 		OC2FE
rw 		CC2S
rw 		OC1CE
rw 		OC1M
rw 		OC1PE
rw 		OC1FE
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

Allowed values:
0: Output: CC1 channel is configured as output

OC1FE

Bit 2: Output Compare 1 fast enable.

OC1PE

Bit 3: Output Compare 1 preload enable.

Allowed values:
0: Disabled: Preload register on CCR1 disabled. New values written to CCR1 are taken into account immediately
1: Enabled: Preload register on CCR1 enabled. Preload value is loaded into active register on each update event

OC1M

Bits 4-6: Output Compare 1 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC1CE

Bit 7: Output Compare 1 clear enable.

CC2S

Bits 8-9: Capture/Compare 2 selection.

Allowed values:
0: Output: CC2 channel is configured as output

OC2FE

Bit 10: Output Compare 2 fast enable.

OC2PE

Bit 11: Output Compare 2 preload enable.

Allowed values:
0: Disabled: Preload register on CCR2 disabled. New values written to CCR2 are taken into account immediately
1: Enabled: Preload register on CCR2 enabled. Preload value is loaded into active register on each update event

OC2M

Bits 12-14: Output Compare 2 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC2CE

Bit 15: Output Compare 2 clear enable.

CCMR2_Input

capture/compare mode register 2 (input mode)

Offset: 0x1c, reset: 0x00000000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IC4F
rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IC4F
rw 		IC4PSC
rw 		CC4S
rw 		IC3F
rw 		IC3PSC
rw 		CC3S
rw
Toggle Fields

CC3S

Bits 0-1: Capture/compare 3 selection.

Allowed values:
1: TI3: CC3 channel is configured as input, IC3 is mapped on TI3
2: TI4: CC3 channel is configured as input, IC3 is mapped on TI4
3: TRC: CC3 channel is configured as input, IC3 is mapped on TRC

IC3PSC

Bits 2-3: Input capture 3 prescaler.

Allowed values: 0x0-0x3

IC3F

Bits 4-7: Input capture 3 filter.

Allowed values: 0x0-0xf

CC4S

Bits 8-9: Capture/Compare 4 selection.

Allowed values:
1: TI4: CC4 channel is configured as input, IC4 is mapped on TI4
2: TI3: CC4 channel is configured as input, IC4 is mapped on TI3
3: TRC: CC4 channel is configured as input, IC4 is mapped on TRC

IC4PSC

Bits 10-11: Input capture 4 prescaler.

Allowed values: 0x0-0x3

IC4F

Bits 15-18: Input capture 4 filter.

Allowed values: 0x0-0xf

CCMR2_Output

capture/compare mode register (output mode)

Offset: 0x1c, reset: 0x00000000, access: read-write

6/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OC4CE
rw 		OC4M
rw 		OC4PE
rw 		OC4FE
rw 		CC4S
rw 		OC3CE
rw 		OC3M
rw 		OC3PE
rw 		OC3FE
rw 		CC3S
rw
Toggle Fields

CC3S

Bits 0-1: Capture/Compare 3 selection.

Allowed values:
0: Output: CC3 channel is configured as output

OC3FE

Bit 2: Output compare 3 fast enable.

OC3PE

Bit 3: Output compare 3 preload enable.

Allowed values:
0: Disabled: Preload register on CCR3 disabled. New values written to CCR3 are taken into account immediately
1: Enabled: Preload register on CCR3 enabled. Preload value is loaded into active register on each update event

OC3M

Bits 4-6: Output compare 3 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC3CE

Bit 7: Output compare 3 clear enable.

CC4S

Bits 8-9: Capture/Compare 4 selection.

Allowed values:
0: Output: CC4 channel is configured as output

OC4FE

Bit 10: Output compare 4 fast enable.

OC4PE

Bit 11: Output compare 4 preload enable.

Allowed values:
0: Disabled: Preload register on CCR4 disabled. New values written to CCR4 are taken into account immediately
1: Enabled: Preload register on CCR4 enabled. Preload value is loaded into active register on each update event

OC4M

Bits 12-14: Output compare 4 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC4CE

Bit 15: Output compare 4 clear enable.

CCER

capture/compare enable register

Offset: 0x20, reset: 0x0000, access: read-write

0/14 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC4P
rw 		CC4E
rw 		CC3NP
rw 		CC3NE
rw 		CC3P
rw 		CC3E
rw 		CC2NP
rw 		CC2NE
rw 		CC2P
rw 		CC2E
rw 		CC1NP
rw 		CC1NE
rw 		CC1P
rw 		CC1E
rw
Toggle Fields

CC1E

Bit 0: Capture/Compare 1 output enable.

CC1P

Bit 1: Capture/Compare 1 output Polarity.

CC1NE

Bit 2: Capture/Compare 1 complementary output enable.

CC1NP

Bit 3: Capture/Compare 1 output Polarity.

CC2E

Bit 4: Capture/Compare 2 output enable.

CC2P

Bit 5: Capture/Compare 2 output Polarity.

CC2NE

Bit 6: Capture/Compare 2 complementary output enable.

CC2NP

Bit 7: Capture/Compare 2 output Polarity.

CC3E

Bit 8: Capture/Compare 3 output enable.

CC3P

Bit 9: Capture/Compare 3 output Polarity.

CC3NE

Bit 10: Capture/Compare 3 complementary output enable.

CC3NP

Bit 11: Capture/Compare 3 output Polarity.

CC4E

Bit 12: Capture/Compare 4 output enable.

CC4P

Bit 13: Capture/Compare 3 output Polarity.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNT
rw
Toggle Fields

CNT

Bits 0-15: counter value.

Allowed values: 0x0-0xffff

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PSC
rw
Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ARR
rw
Toggle Fields

ARR

Bits 0-15: Auto-reload value.

Allowed values: 0x0-0xffff

RCR

repetition counter register

Offset: 0x30, reset: 0x0000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
REP
rw
Toggle Fields

REP

Bits 0-7: Repetition counter value.

CCR[1]

capture/compare register

Offset: 0x34, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

CCR[2]

capture/compare register

Offset: 0x38, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

CCR[3]

capture/compare register

Offset: 0x3c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

CCR[4]

capture/compare register

Offset: 0x40, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

BDTR

break and dead-time register

Offset: 0x44, reset: 0x0000, access: read-write

3/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MOE
rw 		AOE
rw 		BKP
rw 		BKE
rw 		OSSR
rw 		OSSI
rw 		LOCK
rw 		DTG
rw
Toggle Fields

DTG

Bits 0-7: Dead-time generator setup.

LOCK

Bits 8-9: Lock configuration.

OSSI

Bit 10: Off-state selection for Idle mode.

Allowed values:
0: Disabled: When inactive, OC/OCN outputs are disabled
1: IdleLevel: When inactive, OC/OCN outputs are forced to idle level

OSSR

Bit 11: Off-state selection for Run mode.

Allowed values:
0: Disabled: When inactive, OC/OCN outputs are disabled
1: IdleLevel: When inactive, OC/OCN outputs are enabled with their inactive level

BKE

Bit 12: Break enable.

BKP

Bit 13: Break polarity.

AOE

Bit 14: Automatic output enable.

MOE

Bit 15: Main output enable.

Allowed values:
0: DisabledIdle: OC/OCN are disabled or forced idle depending on OSSI
1: Enabled: OC/OCN are enabled if CCxE/CCxNE are set

DCR

DMA control register

Offset: 0x48, reset: 0x0000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DBL
rw 		DBA
rw
Toggle Fields

DBA

Bits 0-4: DMA base address.

Allowed values: 0x0-0x1f

DBL

Bits 8-12: DMA burst length.

Allowed values: 0x0-0x12

DMAR

DMA address for full transfer

Offset: 0x4c, reset: 0x0000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DMAB
rw
Toggle Fields

DMAB

Bits 0-15: DMA register for burst accesses.

TIM12

0x40001800: General purpose timer

12/49 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0x4 CR2
0x8 SMCR
0xc DIER
0x10 SR
0x14 EGR
0x18 CCMR1_Input
0x18 CCMR1_Output
0x20 CCER
0x24 CNT
0x28 PSC
0x2c ARR
0x34 CCR[1]
0x38 CCR[2]

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CKD
rw 		ARPE
rw 		OPM
rw 		URS
rw 		UDIS
rw 		CEN
rw
Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

Allowed values:
0: AnyEvent: Any of counter overflow/underflow, setting UG, or update through slave mode, generates an update interrupt or DMA request
1: CounterOnly: Only counter overflow/underflow generates an update interrupt or DMA request

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CKD

Bits 8-9: Clock division.

Allowed values:
0: Div1: t_DTS = t_CK_INT
1: Div2: t_DTS = 2 × t_CK_INT
2: Div4: t_DTS = 4 × t_CK_INT

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MMS
rw
Toggle Fields

MMS

Bits 4-6: Master mode selection.

SMCR

slave mode control register

Offset: 0x8, reset: 0x0000, access: read-write

0/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MSM
rw 		TS
rw 		SMS
rw
Toggle Fields

SMS

Bits 0-2: Slave mode selection.

TS

Bits 4-6: Trigger selection.

MSM

Bit 7: Master/Slave mode.

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

1/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TIE
rw 		CC2IE
rw 		CC1IE
rw 		UIE
rw
Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

CC1IE

Bit 1: Capture/Compare 1 interrupt enable.

CC2IE

Bit 2: Capture/Compare 2 interrupt enable.

TIE

Bit 6: Trigger interrupt enable.

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

1/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC2OF
rw 		CC1OF
rw 		TIF
rw 		CC2IF
rw 		CC1IF
rw 		UIF
rw
Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

CC1IF

Bit 1: Capture/compare 1 interrupt flag.

CC2IF

Bit 2: Capture/Compare 2 interrupt flag.

TIF

Bit 6: Trigger interrupt flag.

CC1OF

Bit 9: Capture/Compare 1 overcapture flag.

CC2OF

Bit 10: Capture/compare 2 overcapture flag.

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

1/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TG
w 		CC2G
w 		CC1G
w 		UG
w
Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CC1G

Bit 1: Capture/compare 1 generation.

CC2G

Bit 2: Capture/compare 2 generation.

TG

Bit 6: Trigger generation.

CCMR1_Input

capture/compare mode register 1 (input mode)

Offset: 0x18, reset: 0x00000000, access: read-write

0/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IC2F
rw 		IC2PSC
rw 		CC2S
rw 		IC1F
rw 		IC1PSC
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

IC1PSC

Bits 2-3: Input capture 1 prescaler.

IC1F

Bits 4-7: Input capture 1 filter.

CC2S

Bits 8-9: Capture/Compare 2 selection.

IC2PSC

Bits 10-11: Input capture 2 prescaler.

IC2F

Bits 12-14: Input capture 2 filter.

CCMR1_Output

capture/compare mode register 1 (output mode)

Offset: 0x18, reset: 0x00000000, access: read-write

2/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OC2M
rw 		OC2PE
rw 		OC2FE
rw 		CC2S
rw 		OC1M
rw 		OC1PE
rw 		OC1FE
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

OC1FE

Bit 2: Output Compare 1 fast enable.

OC1PE

Bit 3: Output Compare 1 preload enable.

OC1M

Bits 4-6: Output Compare 1 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

CC2S

Bits 8-9: Capture/Compare 2 selection.

OC2FE

Bit 10: Output Compare 2 fast enable.

OC2PE

Bit 11: Output Compare 2 preload enable.

OC2M

Bits 12-14: Output Compare 2 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

CCER

capture/compare enable register

Offset: 0x20, reset: 0x0000, access: read-write

0/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC2NP
rw 		CC2P
rw 		CC2E
rw 		CC1NP
rw 		CC1P
rw 		CC1E
rw
Toggle Fields

CC1E

Bit 0: Capture/Compare 1 output enable.

CC1P

Bit 1: Capture/Compare 1 output Polarity.

CC1NP

Bit 3: Capture/Compare 1 output Polarity.

CC2E

Bit 4: Capture/Compare 2 output enable.

CC2P

Bit 5: Capture/Compare 2 output Polarity.

CC2NP

Bit 7: Capture/Compare 2 output Polarity.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNT
rw
Toggle Fields

CNT

Bits 0-15: counter value.

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PSC
rw
Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ARR
rw
Toggle Fields

ARR

Bits 0-15: Auto-reload value.

CCR[1]

capture/compare register

Offset: 0x34, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

CCR[2]

capture/compare register

Offset: 0x38, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

TIM13

0x40001c00: General purpose timer

11/27 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0xc DIER
0x10 SR
0x14 EGR
0x18 CCMR1_Input
0x18 CCMR1_Output
0x20 CCER
0x24 CNT
0x28 PSC
0x2c ARR
0x34 CCR[1]

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CKD
rw 		ARPE
rw 		OPM
rw 		URS
rw 		UDIS
rw 		CEN
rw
Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

Allowed values:
0: AnyEvent: Any of counter overflow/underflow, setting UG, or update through slave mode, generates an update interrupt or DMA request
1: CounterOnly: Only counter overflow/underflow generates an update interrupt or DMA request

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CKD

Bits 8-9: Clock division.

Allowed values:
0: Div1: t_DTS = t_CK_INT
1: Div2: t_DTS = 2 × t_CK_INT
2: Div4: t_DTS = 4 × t_CK_INT

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

1/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC1IE
rw 		UIE
rw
Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

CC1IE

Bit 1: Capture/Compare 1 interrupt enable.

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

1/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC1OF
rw 		CC1IF
rw 		UIF
rw
Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

CC1IF

Bit 1: Capture/compare 1 interrupt flag.

CC1OF

Bit 9: Capture/Compare 1 overcapture flag.

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

1/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC1G
w 		UG
w
Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CC1G

Bit 1: Capture/compare 1 generation.

CCMR1_Input

capture/compare mode register (input mode)

Offset: 0x18, reset: 0x00000000, access: read-write

0/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IC1F
rw 		IC1PSC
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

IC1PSC

Bits 2-3: Input capture 1 prescaler.

IC1F

Bits 4-7: Input capture 1 filter.

CCMR1_Output

capture/compare mode register (output mode)

Offset: 0x18, reset: 0x00000000, access: read-write

1/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OC1M
rw 		OC1PE
rw 		OC1FE
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

OC1FE

Bit 2: Output compare 1 fast enable.

OC1PE

Bit 3: Output Compare 1 preload enable.

OC1M

Bits 4-6: Output Compare 1 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

CCER

capture/compare enable register

Offset: 0x20, reset: 0x0000, access: read-write

0/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC1NP
rw 		CC1P
rw 		CC1E
rw
Toggle Fields

CC1E

Bit 0: Capture/Compare 1 output enable.

CC1P

Bit 1: Capture/Compare 1 output Polarity.

CC1NP

Bit 3: Capture/Compare 1 output Polarity.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNT
rw
Toggle Fields

CNT

Bits 0-15: counter value.

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PSC
rw
Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ARR
rw
Toggle Fields

ARR

Bits 0-15: Auto-reload value.

CCR[1]

capture/compare register

Offset: 0x34, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

TIM14

0x40002000: General purpose timer

11/27 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0xc DIER
0x10 SR
0x14 EGR
0x18 CCMR1_Input
0x18 CCMR1_Output
0x20 CCER
0x24 CNT
0x28 PSC
0x2c ARR
0x34 CCR[1]

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CKD
rw 		ARPE
rw 		OPM
rw 		URS
rw 		UDIS
rw 		CEN
rw
Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

Allowed values:
0: AnyEvent: Any of counter overflow/underflow, setting UG, or update through slave mode, generates an update interrupt or DMA request
1: CounterOnly: Only counter overflow/underflow generates an update interrupt or DMA request

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CKD

Bits 8-9: Clock division.

Allowed values:
0: Div1: t_DTS = t_CK_INT
1: Div2: t_DTS = 2 × t_CK_INT
2: Div4: t_DTS = 4 × t_CK_INT

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

1/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC1IE
rw 		UIE
rw
Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

CC1IE

Bit 1: Capture/Compare 1 interrupt enable.

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

1/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC1OF
rw 		CC1IF
rw 		UIF
rw
Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

CC1IF

Bit 1: Capture/compare 1 interrupt flag.

CC1OF

Bit 9: Capture/Compare 1 overcapture flag.

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

1/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC1G
w 		UG
w
Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CC1G

Bit 1: Capture/compare 1 generation.

CCMR1_Input

capture/compare mode register (input mode)

Offset: 0x18, reset: 0x00000000, access: read-write

0/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IC1F
rw 		IC1PSC
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

IC1PSC

Bits 2-3: Input capture 1 prescaler.

IC1F

Bits 4-7: Input capture 1 filter.

CCMR1_Output

capture/compare mode register (output mode)

Offset: 0x18, reset: 0x00000000, access: read-write

1/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OC1M
rw 		OC1PE
rw 		OC1FE
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

OC1FE

Bit 2: Output compare 1 fast enable.

OC1PE

Bit 3: Output Compare 1 preload enable.

OC1M

Bits 4-6: Output Compare 1 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

CCER

capture/compare enable register

Offset: 0x20, reset: 0x0000, access: read-write

0/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC1NP
rw 		CC1P
rw 		CC1E
rw
Toggle Fields

CC1E

Bit 0: Capture/Compare 1 output enable.

CC1P

Bit 1: Capture/Compare 1 output Polarity.

CC1NP

Bit 3: Capture/Compare 1 output Polarity.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNT
rw
Toggle Fields

CNT

Bits 0-15: counter value.

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PSC
rw
Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ARR
rw
Toggle Fields

ARR

Bits 0-15: Auto-reload value.

CCR[1]

capture/compare register

Offset: 0x34, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

TIM15

0x40014000: General purpose timers

12/78 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0x4 CR2
0x8 SMCR
0xc DIER
0x10 SR
0x14 EGR
0x18 CCMR1_Input
0x18 CCMR1_Output
0x20 CCER
0x24 CNT
0x28 PSC
0x2c ARR
0x30 RCR
0x34 CCR[1]
0x38 CCR[2]
0x44 BDTR
0x48 DCR
0x4c DMAR

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CKD
rw 		ARPE
rw 		OPM
rw 		URS
rw 		UDIS
rw 		CEN
rw
Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

Allowed values:
0: AnyEvent: Any of counter overflow/underflow, setting UG, or update through slave mode, generates an update interrupt or DMA request
1: CounterOnly: Only counter overflow/underflow generates an update interrupt or DMA request

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CKD

Bits 8-9: Clock division.

Allowed values:
0: Div1: t_DTS = t_CK_INT
1: Div2: t_DTS = 2 × t_CK_INT
2: Div4: t_DTS = 4 × t_CK_INT

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

0/7 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OIS2
rw 		OIS1N
rw 		OIS1
rw 		MMS
rw 		CCDS
rw 		CCUS
rw 		CCPC
rw
Toggle Fields

CCPC

Bit 0: Capture/compare preloaded control.

CCUS

Bit 2: Capture/compare control update selection.

CCDS

Bit 3: Capture/compare DMA selection.

MMS

Bits 4-6: Master mode selection.

OIS1

Bit 8: Output Idle state 1.

OIS1N

Bit 9: Output Idle state 1.

OIS2

Bit 10: Output Idle state 2.

SMCR

slave mode control register

Offset: 0x8, reset: 0x0000, access: read-write

0/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MSM
rw 		TS
rw 		SMS
rw
Toggle Fields

SMS

Bits 0-2: Slave mode selection.

TS

Bits 4-6: Trigger selection.

MSM

Bit 7: Master/Slave mode.

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

1/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TDE
rw 		CC2DE
rw 		CC1DE
rw 		UDE
rw 		BIE
rw 		TIE
rw 		COMIE
rw 		CC2IE
rw 		CC1IE
rw 		UIE
rw
Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

CC1IE

Bit 1: Capture/Compare 1 interrupt enable.

CC2IE

Bit 2: Capture/Compare 2 interrupt enable.

COMIE

Bit 5: COM interrupt enable.

TIE

Bit 6: Trigger interrupt enable.

BIE

Bit 7: Break interrupt enable.

UDE

Bit 8: Update DMA request enable.

CC1DE

Bit 9: Capture/Compare 1 DMA request enable.

CC2DE

Bit 10: Capture/Compare 2 DMA request enable.

TDE

Bit 14: Trigger DMA request enable.

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

1/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC2OF
rw 		CC1OF
rw 		BIF
rw 		TIF
rw 		COMIF
rw 		CC2IF
rw 		CC1IF
rw 		UIF
rw
Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

CC1IF

Bit 1: Capture/compare 1 interrupt flag.

CC2IF

Bit 2: Capture/Compare 2 interrupt flag.

COMIF

Bit 5: COM interrupt flag.

TIF

Bit 6: Trigger interrupt flag.

BIF

Bit 7: Break interrupt flag.

CC1OF

Bit 9: Capture/Compare 1 overcapture flag.

CC2OF

Bit 10: Capture/compare 2 overcapture flag.

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

1/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BG
w 		TG
w 		COMG
w 		CC2G
w 		CC1G
w 		UG
w
Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CC1G

Bit 1: Capture/compare 1 generation.

CC2G

Bit 2: Capture/compare 2 generation.

COMG

Bit 5: Capture/Compare control update generation.

TG

Bit 6: Trigger generation.

BG

Bit 7: Break generation.

CCMR1_Input

capture/compare mode register 1 (input mode)

Offset: 0x18, reset: 0x00000000, access: read-write

0/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IC2F
rw 		IC2PSC
rw 		CC2S
rw 		IC1F
rw 		IC1PSC
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

IC1PSC

Bits 2-3: Input capture 1 prescaler.

IC1F

Bits 4-7: Input capture 1 filter.

CC2S

Bits 8-9: Capture/Compare 2 selection.

IC2PSC

Bits 10-11: Input capture 2 prescaler.

IC2F

Bits 12-15: Input capture 2 filter.

CCMR1_Output

capture/compare mode register (output mode)

Offset: 0x18, reset: 0x00000000, access: read-write

2/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OC2M
rw 		OC2PE
rw 		OC2FE
rw 		CC2S
rw 		OC1M
rw 		OC1PE
rw 		OC1FE
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

OC1FE

Bit 2: Output Compare 1 fast enable.

OC1PE

Bit 3: Output Compare 1 preload enable.

OC1M

Bits 4-6: Output Compare 1 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

CC2S

Bits 8-9: Capture/Compare 2 selection.

OC2FE

Bit 10: Output Compare 2 fast enable.

OC2PE

Bit 11: Output Compare 2 preload enable.

OC2M

Bits 12-14: Output Compare 2 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

CCER

capture/compare enable register

Offset: 0x20, reset: 0x0000, access: read-write

0/7 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC2NP
rw 		CC2P
rw 		CC2E
rw 		CC1NP
rw 		CC1NE
rw 		CC1P
rw 		CC1E
rw
Toggle Fields

CC1E

Bit 0: Capture/Compare 1 output enable.

CC1P

Bit 1: Capture/Compare 1 output Polarity.

CC1NE

Bit 2: Capture/Compare 1 complementary output enable.

CC1NP

Bit 3: Capture/Compare 1 output Polarity.

CC2E

Bit 4: Capture/Compare 2 output enable.

CC2P

Bit 5: Capture/Compare 2 output Polarity.

CC2NP

Bit 7: Capture/Compare 2 output Polarity.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNT
rw
Toggle Fields

CNT

Bits 0-15: counter value.

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PSC
rw
Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ARR
rw
Toggle Fields

ARR

Bits 0-15: Auto-reload value.

RCR

repetition counter register

Offset: 0x30, reset: 0x0000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
REP
rw
Toggle Fields

REP

Bits 0-7: Repetition counter value.

CCR[1]

capture/compare register

Offset: 0x34, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

CCR[2]

capture/compare register

Offset: 0x38, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

BDTR

break and dead-time register

Offset: 0x44, reset: 0x0000, access: read-write

0/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MOE
rw 		AOE
rw 		BKP
rw 		BKE
rw 		OSSR
rw 		OSSI
rw 		LOCK
rw 		DTG
rw
Toggle Fields

DTG

Bits 0-7: Dead-time generator setup.

LOCK

Bits 8-9: Lock configuration.

OSSI

Bit 10: Off-state selection for Idle mode.

OSSR

Bit 11: Off-state selection for Run mode.

BKE

Bit 12: Break enable.

BKP

Bit 13: Break polarity.

AOE

Bit 14: Automatic output enable.

MOE

Bit 15: Main output enable.

DCR

DMA control register

Offset: 0x48, reset: 0x0000, access: read-write

0/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DBL
rw 		DBA
rw
Toggle Fields

DBA

Bits 0-4: DMA base address.

DBL

Bits 8-12: DMA burst length.

DMAR

DMA address for full transfer

Offset: 0x4c, reset: 0x0000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DMAB
rw
Toggle Fields

DMAB

Bits 0-15: DMA register for burst accesses.

TIM16

0x40014400: General-purpose-timers

20/57 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0x4 CR2
0xc DIER
0x10 SR
0x14 EGR
0x18 CCMR1_Input
0x18 CCMR1_Output
0x20 CCER
0x24 CNT
0x28 PSC
0x2c ARR
0x30 RCR
0x34 CCR[1]
0x44 BDTR
0x48 DCR
0x4c DMAR

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CKD
rw 		ARPE
rw 		OPM
rw 		URS
rw 		UDIS
rw 		CEN
rw
Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

Allowed values:
0: AnyEvent: Any of counter overflow/underflow, setting UG, or update through slave mode, generates an update interrupt or DMA request
1: CounterOnly: Only counter overflow/underflow generates an update interrupt or DMA request

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CKD

Bits 8-9: Clock division.

Allowed values:
0: Div1: t_DTS = t_CK_INT
1: Div2: t_DTS = 2 × t_CK_INT
2: Div4: t_DTS = 4 × t_CK_INT

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

5/5 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OIS1N
rw 		OIS1
rw 		CCDS
rw 		CCUS
rw 		CCPC
rw
Toggle Fields

CCPC

Bit 0: Capture/compare preloaded control.

Allowed values:
0: NotPreloaded: CCxE, CCxNE and OCxM bits are not preloaded
1: Preloaded: CCxE, CCxNE and OCxM bits are preloaded

CCUS

Bit 2: Capture/compare control update selection.

Allowed values:
0: Default: Capture/compare are updated only by setting the COMG bit
1: WithRisingEdge: Capture/compare are updated by setting the COMG bit or when an rising edge occurs on TRGI

CCDS

Bit 3: Capture/compare DMA selection.

Allowed values:
0: OnCompare: CCx DMA request sent when CCx event occurs
1: OnUpdate: CCx DMA request sent when update event occurs

OIS1

Bit 8: Output Idle state 1.

Allowed values:
0: Low: OC1=0 (after a dead-time if OC1N is implemented) when MOE=0
1: High: OC1=1 (after a dead-time if OC1N is implemented) when MOE=0

OIS1N

Bit 9: Output Idle state 1.

Allowed values:
0: Low: OC1N=0 after a dead-time when MOE=0
1: High: OC1N=1 after a dead-time when MOE=0

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

5/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TDE
rw 		CC1DE
rw 		UDE
rw 		BIE
rw 		TIE
rw 		COMIE
rw 		CC1IE
rw 		UIE
rw
Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

CC1IE

Bit 1: Capture/Compare 1 interrupt enable.

Allowed values:
0: Disabled: CC1 interrupt disabled
1: Enabled: CC1 interrupt enabled

COMIE

Bit 5: COM interrupt enable.

Allowed values:
0: Disabled: COM interrupt disabled
1: Enabled: COM interrupt enabled

TIE

Bit 6: Trigger interrupt enable.

BIE

Bit 7: Break interrupt enable.

Allowed values:
0: Disabled: Break interrupt disabled
1: Enabled: Break interrupt enabled

UDE

Bit 8: Update DMA request enable.

CC1DE

Bit 9: Capture/Compare 1 DMA request enable.

Allowed values:
0: Disabled: CC1 DMA request disabled
1: Enabled: CC1 DMA request enabled

TDE

Bit 14: Trigger DMA request enable.

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

1/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC1OF
rw 		BIF
rw 		TIF
rw 		COMIF
rw 		CC1IF
rw 		UIF
rw
Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

CC1IF

Bit 1: Capture/compare 1 interrupt flag.

COMIF

Bit 5: COM interrupt flag.

TIF

Bit 6: Trigger interrupt flag.

BIF

Bit 7: Break interrupt flag.

CC1OF

Bit 9: Capture/Compare 1 overcapture flag.

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

1/5 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BG
w 		TG
w 		COMG
w 		CC1G
w 		UG
w
Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CC1G

Bit 1: Capture/compare 1 generation.

COMG

Bit 5: Capture/Compare control update generation.

TG

Bit 6: Trigger generation.

BG

Bit 7: Break generation.

CCMR1_Input

capture/compare mode register 1 (input mode)

Offset: 0x18, reset: 0x00000000, access: read-write

0/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IC1F
rw 		IC1PSC
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

IC1PSC

Bits 2-3: Input capture 1 prescaler.

IC1F

Bits 4-7: Input capture 1 filter.

CCMR1_Output

capture/compare mode register (output mode)

Offset: 0x18, reset: 0x00000000, access: read-write

1/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OC1M
rw 		OC1PE
rw 		OC1FE
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

OC1FE

Bit 2: Output Compare 1 fast enable.

OC1PE

Bit 3: Output Compare 1 preload enable.

OC1M

Bits 4-6: Output Compare 1 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

CCER

capture/compare enable register

Offset: 0x20, reset: 0x0000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC1NP
rw 		CC1NE
rw 		CC1P
rw 		CC1E
rw
Toggle Fields

CC1E

Bit 0: Capture/Compare 1 output enable.

CC1P

Bit 1: Capture/Compare 1 output Polarity.

CC1NE

Bit 2: Capture/Compare 1 complementary output enable.

CC1NP

Bit 3: Capture/Compare 1 output Polarity.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNT
rw
Toggle Fields

CNT

Bits 0-15: counter value.

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PSC
rw
Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ARR
rw
Toggle Fields

ARR

Bits 0-15: Auto-reload value.

RCR

repetition counter register

Offset: 0x30, reset: 0x0000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
REP
rw
Toggle Fields

REP

Bits 0-7: Repetition counter value.

CCR[1]

capture/compare register

Offset: 0x34, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

BDTR

break and dead-time register

Offset: 0x44, reset: 0x0000, access: read-write

0/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MOE
rw 		AOE
rw 		BKP
rw 		BKE
rw 		OSSR
rw 		OSSI
rw 		LOCK
rw 		DTG
rw
Toggle Fields

DTG

Bits 0-7: Dead-time generator setup.

LOCK

Bits 8-9: Lock configuration.

OSSI

Bit 10: Off-state selection for Idle mode.

OSSR

Bit 11: Off-state selection for Run mode.

BKE

Bit 12: Break enable.

BKP

Bit 13: Break polarity.

AOE

Bit 14: Automatic output enable.

MOE

Bit 15: Main output enable.

DCR

DMA control register

Offset: 0x48, reset: 0x0000, access: read-write

0/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DBL
rw 		DBA
rw
Toggle Fields

DBA

Bits 0-4: DMA base address.

DBL

Bits 8-12: DMA burst length.

DMAR

DMA address for full transfer

Offset: 0x4c, reset: 0x0000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DMAB
rw
Toggle Fields

DMAB

Bits 0-15: DMA register for burst accesses.

TIM17

0x40014800: General-purpose-timers

20/57 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0x4 CR2
0xc DIER
0x10 SR
0x14 EGR
0x18 CCMR1_Input
0x18 CCMR1_Output
0x20 CCER
0x24 CNT
0x28 PSC
0x2c ARR
0x30 RCR
0x34 CCR[1]
0x44 BDTR
0x48 DCR
0x4c DMAR

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CKD
rw 		ARPE
rw 		OPM
rw 		URS
rw 		UDIS
rw 		CEN
rw
Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

Allowed values:
0: AnyEvent: Any of counter overflow/underflow, setting UG, or update through slave mode, generates an update interrupt or DMA request
1: CounterOnly: Only counter overflow/underflow generates an update interrupt or DMA request

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CKD

Bits 8-9: Clock division.

Allowed values:
0: Div1: t_DTS = t_CK_INT
1: Div2: t_DTS = 2 × t_CK_INT
2: Div4: t_DTS = 4 × t_CK_INT

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

5/5 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OIS1N
rw 		OIS1
rw 		CCDS
rw 		CCUS
rw 		CCPC
rw
Toggle Fields

CCPC

Bit 0: Capture/compare preloaded control.

Allowed values:
0: NotPreloaded: CCxE, CCxNE and OCxM bits are not preloaded
1: Preloaded: CCxE, CCxNE and OCxM bits are preloaded

CCUS

Bit 2: Capture/compare control update selection.

Allowed values:
0: Default: Capture/compare are updated only by setting the COMG bit
1: WithRisingEdge: Capture/compare are updated by setting the COMG bit or when an rising edge occurs on TRGI

CCDS

Bit 3: Capture/compare DMA selection.

Allowed values:
0: OnCompare: CCx DMA request sent when CCx event occurs
1: OnUpdate: CCx DMA request sent when update event occurs

OIS1

Bit 8: Output Idle state 1.

Allowed values:
0: Low: OC1=0 (after a dead-time if OC1N is implemented) when MOE=0
1: High: OC1=1 (after a dead-time if OC1N is implemented) when MOE=0

OIS1N

Bit 9: Output Idle state 1.

Allowed values:
0: Low: OC1N=0 after a dead-time when MOE=0
1: High: OC1N=1 after a dead-time when MOE=0

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

5/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TDE
rw 		CC1DE
rw 		UDE
rw 		BIE
rw 		TIE
rw 		COMIE
rw 		CC1IE
rw 		UIE
rw
Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

CC1IE

Bit 1: Capture/Compare 1 interrupt enable.

Allowed values:
0: Disabled: CC1 interrupt disabled
1: Enabled: CC1 interrupt enabled

COMIE

Bit 5: COM interrupt enable.

Allowed values:
0: Disabled: COM interrupt disabled
1: Enabled: COM interrupt enabled

TIE

Bit 6: Trigger interrupt enable.

BIE

Bit 7: Break interrupt enable.

Allowed values:
0: Disabled: Break interrupt disabled
1: Enabled: Break interrupt enabled

UDE

Bit 8: Update DMA request enable.

CC1DE

Bit 9: Capture/Compare 1 DMA request enable.

Allowed values:
0: Disabled: CC1 DMA request disabled
1: Enabled: CC1 DMA request enabled

TDE

Bit 14: Trigger DMA request enable.

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

1/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC1OF
rw 		BIF
rw 		TIF
rw 		COMIF
rw 		CC1IF
rw 		UIF
rw
Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

CC1IF

Bit 1: Capture/compare 1 interrupt flag.

COMIF

Bit 5: COM interrupt flag.

TIF

Bit 6: Trigger interrupt flag.

BIF

Bit 7: Break interrupt flag.

CC1OF

Bit 9: Capture/Compare 1 overcapture flag.

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

1/5 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BG
w 		TG
w 		COMG
w 		CC1G
w 		UG
w
Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CC1G

Bit 1: Capture/compare 1 generation.

COMG

Bit 5: Capture/Compare control update generation.

TG

Bit 6: Trigger generation.

BG

Bit 7: Break generation.

CCMR1_Input

capture/compare mode register 1 (input mode)

Offset: 0x18, reset: 0x00000000, access: read-write

0/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IC1F
rw 		IC1PSC
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

IC1PSC

Bits 2-3: Input capture 1 prescaler.

IC1F

Bits 4-7: Input capture 1 filter.

CCMR1_Output

capture/compare mode register (output mode)

Offset: 0x18, reset: 0x00000000, access: read-write

1/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OC1M
rw 		OC1PE
rw 		OC1FE
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

OC1FE

Bit 2: Output Compare 1 fast enable.

OC1PE

Bit 3: Output Compare 1 preload enable.

OC1M

Bits 4-6: Output Compare 1 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

CCER

capture/compare enable register

Offset: 0x20, reset: 0x0000, access: read-write

0/4 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC1NP
rw 		CC1NE
rw 		CC1P
rw 		CC1E
rw
Toggle Fields

CC1E

Bit 0: Capture/Compare 1 output enable.

CC1P

Bit 1: Capture/Compare 1 output Polarity.

CC1NE

Bit 2: Capture/Compare 1 complementary output enable.

CC1NP

Bit 3: Capture/Compare 1 output Polarity.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNT
rw
Toggle Fields

CNT

Bits 0-15: counter value.

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PSC
rw
Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ARR
rw
Toggle Fields

ARR

Bits 0-15: Auto-reload value.

RCR

repetition counter register

Offset: 0x30, reset: 0x0000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
REP
rw
Toggle Fields

REP

Bits 0-7: Repetition counter value.

CCR[1]

capture/compare register

Offset: 0x34, reset: 0x00000000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

BDTR

break and dead-time register

Offset: 0x44, reset: 0x0000, access: read-write

0/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MOE
rw 		AOE
rw 		BKP
rw 		BKE
rw 		OSSR
rw 		OSSI
rw 		LOCK
rw 		DTG
rw
Toggle Fields

DTG

Bits 0-7: Dead-time generator setup.

LOCK

Bits 8-9: Lock configuration.

OSSI

Bit 10: Off-state selection for Idle mode.

OSSR

Bit 11: Off-state selection for Run mode.

BKE

Bit 12: Break enable.

BKP

Bit 13: Break polarity.

AOE

Bit 14: Automatic output enable.

MOE

Bit 15: Main output enable.

DCR

DMA control register

Offset: 0x48, reset: 0x0000, access: read-write

0/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DBL
rw 		DBA
rw
Toggle Fields

DBA

Bits 0-4: DMA base address.

DBL

Bits 8-12: DMA burst length.

DMAR

DMA address for full transfer

Offset: 0x4c, reset: 0x0000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DMAB
rw
Toggle Fields

DMAB

Bits 0-15: DMA register for burst accesses.

TIM2

0x40000000: General purpose timer

77/97 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0x4 CR2
0x8 SMCR
0xc DIER
0x10 SR
0x14 EGR
0x18 CCMR1_Input
0x18 CCMR1_Output
0x1c CCMR2_Input
0x1c CCMR2_Output
0x20 CCER
0x24 CNT
0x28 PSC
0x2c ARR
0x34 CCR[1]
0x38 CCR[2]
0x3c CCR[3]
0x40 CCR[4]
0x48 DCR
0x4c DMAR

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

8/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CKD
rw 		ARPE
rw 		CMS
rw 		DIR
rw 		OPM
rw 		URS
rw 		UDIS
rw 		CEN
rw
Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

Allowed values:
0: AnyEvent: Any of counter overflow/underflow, setting UG, or update through slave mode, generates an update interrupt or DMA request
1: CounterOnly: Only counter overflow/underflow generates an update interrupt or DMA request

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

DIR

Bit 4: Direction.

Allowed values:
0: Up: Counter used as upcounter
1: Down: Counter used as downcounter

CMS

Bits 5-6: Center-aligned mode selection.

Allowed values:
0: EdgeAligned: The counter counts up or down depending on the direction bit
1: CenterAligned1: The counter counts up and down alternatively. Output compare interrupt flags are set only when the counter is counting down.
2: CenterAligned2: The counter counts up and down alternatively. Output compare interrupt flags are set only when the counter is counting up.
3: CenterAligned3: The counter counts up and down alternatively. Output compare interrupt flags are set both when the counter is counting up or down.

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CKD

Bits 8-9: Clock division.

Allowed values:
0: Div1: t_DTS = t_CK_INT
1: Div2: t_DTS = 2 × t_CK_INT
2: Div4: t_DTS = 4 × t_CK_INT

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

3/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TI1S
rw 		MMS
rw 		CCDS
rw
Toggle Fields

CCDS

Bit 3: Capture/compare DMA selection.

Allowed values:
0: OnCompare: CCx DMA request sent when CCx event occurs
1: OnUpdate: CCx DMA request sent when update event occurs

MMS

Bits 4-6: Master mode selection.

Allowed values:
0: Reset: The UG bit from the TIMx_EGR register is used as trigger output
1: Enable: The counter enable signal, CNT_EN, is used as trigger output
2: Update: The update event is selected as trigger output
3: ComparePulse: The trigger output send a positive pulse when the CC1IF flag it to be set, as soon as a capture or a compare match occurred
4: CompareOC1: OC1REF signal is used as trigger output
5: CompareOC2: OC2REF signal is used as trigger output
6: CompareOC3: OC3REF signal is used as trigger output
7: CompareOC4: OC4REF signal is used as trigger output

TI1S

Bit 7: TI1 selection.

Allowed values:
0: Normal: The TIMx_CH1 pin is connected to TI1 input
1: XOR: The TIMx_CH1, CH2, CH3 pins are connected to TI1 input

SMCR

slave mode control register

Offset: 0x8, reset: 0x0000, access: read-write

7/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ETP
rw 		ECE
rw 		ETPS
rw 		ETF
rw 		MSM
rw 		TS
rw 		OCCS
rw 		SMS
rw
Toggle Fields

SMS

Bits 0-2: Slave mode selection.

Allowed values:
0: Disabled: Slave mode disabled - if CEN = ‘1 then the prescaler is clocked directly by the internal clock.
1: Encoder_Mode_1: Encoder mode 1 - Counter counts up/down on TI2FP1 edge depending on TI1FP2 level.
2: Encoder_Mode_2: Encoder mode 2 - Counter counts up/down on TI1FP2 edge depending on TI2FP1 level.
3: Encoder_Mode_3: Encoder mode 3 - Counter counts up/down on both TI1FP1 and TI2FP2 edges depending on the level of the other input.
4: Reset_Mode: Reset Mode - Rising edge of the selected trigger input (TRGI) reinitializes the counter and generates an update of the registers.
5: Gated_Mode: Gated Mode - The counter clock is enabled when the trigger input (TRGI) is high. The counter stops (but is not reset) as soon as the trigger becomes low. Both start and stop of the counter are controlled.
6: Trigger_Mode: Trigger Mode - The counter starts at a rising edge of the trigger TRGI (but it is not reset). Only the start of the counter is controlled.
7: Ext_Clock_Mode: External Clock Mode 1 - Rising edges of the selected trigger (TRGI) clock the counter.

OCCS

Bit 3: OCREF clear selection.

TS

Bits 4-6: Trigger selection.

Allowed values:
0: ITR0: Internal Trigger 0 (ITR0)
1: ITR1: Internal Trigger 1 (ITR1)
2: ITR2: Internal Trigger 2 (ITR2)
4: TI1F_ED: TI1 Edge Detector (TI1F_ED)
5: TI1FP1: Filtered Timer Input 1 (TI1FP1)
6: TI2FP2: Filtered Timer Input 2 (TI2FP2)
7: ETRF: External Trigger input (ETRF)

MSM

Bit 7: Master/Slave mode.

Allowed values:
0: NoSync: No action
1: Sync: The effect of an event on the trigger input (TRGI) is delayed to allow a perfect synchronization between the current timer and its slaves (through TRGO). It is useful if we want to synchronize several timers on a single external event.

ETF

Bits 8-11: External trigger filter.

Allowed values:
0: NoFilter: No filter, sampling is done at fDTS
1: FCK_INT_N2: fSAMPLING=fCK_INT, N=2
2: FCK_INT_N4: fSAMPLING=fCK_INT, N=4
3: FCK_INT_N8: fSAMPLING=fCK_INT, N=8
4: FDTS_Div2_N6: fSAMPLING=fDTS/2, N=6
5: FDTS_Div2_N8: fSAMPLING=fDTS/2, N=8
6: FDTS_Div4_N6: fSAMPLING=fDTS/4, N=6
7: FDTS_Div4_N8: fSAMPLING=fDTS/4, N=8
8: FDTS_Div8_N6: fSAMPLING=fDTS/8, N=6
9: FDTS_Div8_N8: fSAMPLING=fDTS/8, N=8
10: FDTS_Div16_N5: fSAMPLING=fDTS/16, N=5
11: FDTS_Div16_N6: fSAMPLING=fDTS/16, N=6
12: FDTS_Div16_N8: fSAMPLING=fDTS/16, N=8
13: FDTS_Div32_N5: fSAMPLING=fDTS/32, N=5
14: FDTS_Div32_N6: fSAMPLING=fDTS/32, N=6
15: FDTS_Div32_N8: fSAMPLING=fDTS/32, N=8

ETPS

Bits 12-13: External trigger prescaler.

Allowed values:
0: Div1: Prescaler OFF
1: Div2: ETRP frequency divided by 2
2: Div4: ETRP frequency divided by 4
3: Div8: ETRP frequency divided by 8

ECE

Bit 14: External clock enable.

Allowed values:
0: Disabled: External clock mode 2 disabled
1: Enabled: External clock mode 2 enabled. The counter is clocked by any active edge on the ETRF signal.

ETP

Bit 15: External trigger polarity.

Allowed values:
0: NotInverted: ETR is noninverted, active at high level or rising edge
1: Inverted: ETR is inverted, active at low level or falling edge

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TDE
rw 		CC4DE
rw 		CC3DE
rw 		CC2DE
rw 		CC1DE
rw 		UDE
rw 		TIE
rw 		CC4IE
rw 		CC3IE
rw 		CC2IE
rw 		CC1IE
rw 		UIE
rw
Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

CC1IE

Bit 1: Capture/Compare 1 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

CC2IE

Bit 2: Capture/Compare 2 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

CC3IE

Bit 3: Capture/Compare 3 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

CC4IE

Bit 4: Capture/Compare 4 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

TIE

Bit 6: Trigger interrupt enable.

Allowed values:
0: Disabled: Trigger interrupt disabled
1: Enabled: Trigger interrupt enabled

UDE

Bit 8: Update DMA request enable.

Allowed values:
0: Disabled: Update DMA request disabled
1: Enabled: Update DMA request enabled

CC1DE

Bit 9: Capture/Compare 1 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

CC2DE

Bit 10: Capture/Compare 2 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

CC3DE

Bit 11: Capture/Compare 3 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

CC4DE

Bit 12: Capture/Compare 4 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

TDE

Bit 14: Trigger DMA request enable.

Allowed values:
0: Disabled: Trigger DMA request disabled
1: Enabled: Trigger DMA request enabled

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

10/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC4OF
rw 		CC3OF
rw 		CC2OF
rw 		CC1OF
rw 		TIF
rw 		CC4IF
rw 		CC3IF
rw 		CC2IF
rw 		CC1IF
rw 		UIF
rw
Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

CC1IF

Bit 1: Capture/compare 1 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

CC2IF

Bit 2: Capture/Compare 2 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

CC3IF

Bit 3: Capture/Compare 3 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

CC4IF

Bit 4: Capture/Compare 4 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

TIF

Bit 6: Trigger interrupt flag.

Allowed values:
0: NoTrigger: No trigger event occurred
1: Trigger: Trigger interrupt pending

CC1OF

Bit 9: Capture/Compare 1 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

CC2OF

Bit 10: Capture/compare 2 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

CC3OF

Bit 11: Capture/Compare 3 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

CC4OF

Bit 12: Capture/Compare 4 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TG
w 		CC4G
w 		CC3G
w 		CC2G
w 		CC1G
w 		UG
w
Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CC1G

Bit 1: Capture/compare 1 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

CC2G

Bit 2: Capture/compare 2 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

CC3G

Bit 3: Capture/compare 3 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

CC4G

Bit 4: Capture/compare 4 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

TG

Bit 6: Trigger generation.

Allowed values:
1: Trigger: The TIF flag is set in TIMx_SR register. Related interrupt or DMA transfer can occur if enabled.

CCMR1_Input

capture/compare mode register 1 (input mode)

Offset: 0x18, reset: 0x00000000, access: read-write

4/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IC2F
rw 		IC2PSC
rw 		CC2S
rw 		IC1F
rw 		IC1PSC
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

Allowed values:
1: TI1: CC1 channel is configured as input, IC1 is mapped on TI1
2: TI2: CC1 channel is configured as input, IC1 is mapped on TI2
3: TRC: CC1 channel is configured as input, IC1 is mapped on TRC

IC1PSC

Bits 2-3: Input capture 1 prescaler.

IC1F

Bits 4-7: Input capture 1 filter.

Allowed values:
0: NoFilter: No filter, sampling is done at fDTS
1: FCK_INT_N2: fSAMPLING=fCK_INT, N=2
2: FCK_INT_N4: fSAMPLING=fCK_INT, N=4
3: FCK_INT_N8: fSAMPLING=fCK_INT, N=8
4: FDTS_Div2_N6: fSAMPLING=fDTS/2, N=6
5: FDTS_Div2_N8: fSAMPLING=fDTS/2, N=8
6: FDTS_Div4_N6: fSAMPLING=fDTS/4, N=6
7: FDTS_Div4_N8: fSAMPLING=fDTS/4, N=8
8: FDTS_Div8_N6: fSAMPLING=fDTS/8, N=6
9: FDTS_Div8_N8: fSAMPLING=fDTS/8, N=8
10: FDTS_Div16_N5: fSAMPLING=fDTS/16, N=5
11: FDTS_Div16_N6: fSAMPLING=fDTS/16, N=6
12: FDTS_Div16_N8: fSAMPLING=fDTS/16, N=8
13: FDTS_Div32_N5: fSAMPLING=fDTS/32, N=5
14: FDTS_Div32_N6: fSAMPLING=fDTS/32, N=6
15: FDTS_Div32_N8: fSAMPLING=fDTS/32, N=8

CC2S

Bits 8-9: Capture/compare 2 selection.

Allowed values:
1: TI2: CC2 channel is configured as input, IC2 is mapped on TI2
2: TI1: CC2 channel is configured as input, IC2 is mapped on TI1
3: TRC: CC2 channel is configured as input, IC2 is mapped on TRC

IC2PSC

Bits 10-11: Input capture 2 prescaler.

IC2F

Bits 12-15: Input capture 2 filter.

Allowed values: 0x0-0xf

CCMR1_Output

capture/compare mode register 1 (output mode)

Offset: 0x18, reset: 0x00000000, access: read-write

6/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OC2CE
rw 		OC2M
rw 		OC2PE
rw 		OC2FE
rw 		CC2S
rw 		OC1CE
rw 		OC1M
rw 		OC1PE
rw 		OC1FE
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

Allowed values:
0: Output: CC1 channel is configured as output

OC1FE

Bit 2: Output compare 1 fast enable.

OC1PE

Bit 3: Output compare 1 preload enable.

Allowed values:
0: Disabled: Preload register on CCR1 disabled. New values written to CCR1 are taken into account immediately
1: Enabled: Preload register on CCR1 enabled. Preload value is loaded into active register on each update event

OC1M

Bits 4-6: Output compare 1 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC1CE

Bit 7: Output compare 1 clear enable.

CC2S

Bits 8-9: Capture/Compare 2 selection.

Allowed values:
0: Output: CC2 channel is configured as output

OC2FE

Bit 10: Output compare 2 fast enable.

OC2PE

Bit 11: Output compare 2 preload enable.

Allowed values:
0: Disabled: Preload register on CCR2 disabled. New values written to CCR2 are taken into account immediately
1: Enabled: Preload register on CCR2 enabled. Preload value is loaded into active register on each update event

OC2M

Bits 12-14: Output compare 2 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC2CE

Bit 15: Output compare 2 clear enable.

CCMR2_Input

capture/compare mode register 2 (input mode)

Offset: 0x1c, reset: 0x00000000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IC4F
rw 		IC4PSC
rw 		CC4S
rw 		IC3F
rw 		IC3PSC
rw 		CC3S
rw
Toggle Fields

CC3S

Bits 0-1: Capture/Compare 3 selection.

Allowed values:
1: TI3: CC3 channel is configured as input, IC3 is mapped on TI3
2: TI4: CC3 channel is configured as input, IC3 is mapped on TI4
3: TRC: CC3 channel is configured as input, IC3 is mapped on TRC

IC3PSC

Bits 2-3: Input capture 3 prescaler.

Allowed values: 0x0-0x3

IC3F

Bits 4-7: Input capture 3 filter.

Allowed values: 0x0-0xf

CC4S

Bits 8-9: Capture/Compare 4 selection.

Allowed values:
1: TI4: CC4 channel is configured as input, IC4 is mapped on TI4
2: TI3: CC4 channel is configured as input, IC4 is mapped on TI3
3: TRC: CC4 channel is configured as input, IC4 is mapped on TRC

IC4PSC

Bits 10-11: Input capture 4 prescaler.

Allowed values: 0x0-0x3

IC4F

Bits 12-15: Input capture 4 filter.

Allowed values: 0x0-0xf

CCMR2_Output

capture/compare mode register 2 (output mode)

Offset: 0x1c, reset: 0x00000000, access: read-write

6/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OC4CE
rw 		OC4M
rw 		OC4PE
rw 		OC4FE
rw 		CC4S
rw 		OC3CE
rw 		OC3M
rw 		OC3PE
rw 		OC3FE
rw 		CC3S
rw
Toggle Fields

CC3S

Bits 0-1: Capture/Compare 3 selection.

Allowed values:
0: Output: CC3 channel is configured as output

OC3FE

Bit 2: Output compare 3 fast enable.

OC3PE

Bit 3: Output compare 3 preload enable.

Allowed values:
0: Disabled: Preload register on CCR3 disabled. New values written to CCR3 are taken into account immediately
1: Enabled: Preload register on CCR3 enabled. Preload value is loaded into active register on each update event

OC3M

Bits 4-6: Output compare 3 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC3CE

Bit 7: Output compare 3 clear enable.

CC4S

Bits 8-9: Capture/Compare 4 selection.

Allowed values:
0: Output: CC4 channel is configured as output

OC4FE

Bit 10: Output compare 4 fast enable.

OC4PE

Bit 11: Output compare 4 preload enable.

Allowed values:
0: Disabled: Preload register on CCR4 disabled. New values written to CCR4 are taken into account immediately
1: Enabled: Preload register on CCR4 enabled. Preload value is loaded into active register on each update event

OC4M

Bits 12-14: Output compare 4 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC4CE

Bit 15: Output compare 4 clear enable.

CCER

capture/compare enable register

Offset: 0x20, reset: 0x0000, access: read-write

0/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC4P
rw 		CC4E
rw 		CC3P
rw 		CC3E
rw 		CC2P
rw 		CC2E
rw 		CC1P
rw 		CC1E
rw
Toggle Fields

CC1E

Bit 0: Capture/Compare 1 output enable.

CC1P

Bit 1: Capture/Compare 1 output Polarity.

CC2E

Bit 4: Capture/Compare 2 output enable.

CC2P

Bit 5: Capture/Compare 2 output Polarity.

CC3E

Bit 8: Capture/Compare 3 output enable.

CC3P

Bit 9: Capture/Compare 3 output Polarity.

CC4E

Bit 12: Capture/Compare 4 output enable.

CC4P

Bit 13: Capture/Compare 3 output Polarity.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNT
rw
Toggle Fields

CNT

Bits 0-15: counter value.

Allowed values: 0x0-0xffff

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PSC
rw
Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ARR
rw
Toggle Fields

ARR

Bits 0-15: Auto-reload value.

Allowed values: 0x0-0xffff

CCR[1]

capture/compare register

Offset: 0x34, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

CCR[2]

capture/compare register

Offset: 0x38, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

CCR[3]

capture/compare register

Offset: 0x3c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

CCR[4]

capture/compare register

Offset: 0x40, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

DCR

DMA control register

Offset: 0x48, reset: 0x0000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DBL
rw 		DBA
rw
Toggle Fields

DBA

Bits 0-4: DMA base address.

Allowed values: 0x0-0x1f

DBL

Bits 8-12: DMA burst length.

Allowed values: 0x0-0x12

DMAR

DMA address for full transfer

Offset: 0x4c, reset: 0x0000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DMAB
rw
Toggle Fields

DMAB

Bits 0-15: DMA register for burst accesses.

TIM3

0x40000400: General purpose timer

77/97 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0x4 CR2
0x8 SMCR
0xc DIER
0x10 SR
0x14 EGR
0x18 CCMR1_Input
0x18 CCMR1_Output
0x1c CCMR2_Input
0x1c CCMR2_Output
0x20 CCER
0x24 CNT
0x28 PSC
0x2c ARR
0x34 CCR[1]
0x38 CCR[2]
0x3c CCR[3]
0x40 CCR[4]
0x48 DCR
0x4c DMAR

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

8/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CKD
rw 		ARPE
rw 		CMS
rw 		DIR
rw 		OPM
rw 		URS
rw 		UDIS
rw 		CEN
rw
Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

Allowed values:
0: AnyEvent: Any of counter overflow/underflow, setting UG, or update through slave mode, generates an update interrupt or DMA request
1: CounterOnly: Only counter overflow/underflow generates an update interrupt or DMA request

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

DIR

Bit 4: Direction.

Allowed values:
0: Up: Counter used as upcounter
1: Down: Counter used as downcounter

CMS

Bits 5-6: Center-aligned mode selection.

Allowed values:
0: EdgeAligned: The counter counts up or down depending on the direction bit
1: CenterAligned1: The counter counts up and down alternatively. Output compare interrupt flags are set only when the counter is counting down.
2: CenterAligned2: The counter counts up and down alternatively. Output compare interrupt flags are set only when the counter is counting up.
3: CenterAligned3: The counter counts up and down alternatively. Output compare interrupt flags are set both when the counter is counting up or down.

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CKD

Bits 8-9: Clock division.

Allowed values:
0: Div1: t_DTS = t_CK_INT
1: Div2: t_DTS = 2 × t_CK_INT
2: Div4: t_DTS = 4 × t_CK_INT

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

3/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TI1S
rw 		MMS
rw 		CCDS
rw
Toggle Fields

CCDS

Bit 3: Capture/compare DMA selection.

Allowed values:
0: OnCompare: CCx DMA request sent when CCx event occurs
1: OnUpdate: CCx DMA request sent when update event occurs

MMS

Bits 4-6: Master mode selection.

Allowed values:
0: Reset: The UG bit from the TIMx_EGR register is used as trigger output
1: Enable: The counter enable signal, CNT_EN, is used as trigger output
2: Update: The update event is selected as trigger output
3: ComparePulse: The trigger output send a positive pulse when the CC1IF flag it to be set, as soon as a capture or a compare match occurred
4: CompareOC1: OC1REF signal is used as trigger output
5: CompareOC2: OC2REF signal is used as trigger output
6: CompareOC3: OC3REF signal is used as trigger output
7: CompareOC4: OC4REF signal is used as trigger output

TI1S

Bit 7: TI1 selection.

Allowed values:
0: Normal: The TIMx_CH1 pin is connected to TI1 input
1: XOR: The TIMx_CH1, CH2, CH3 pins are connected to TI1 input

SMCR

slave mode control register

Offset: 0x8, reset: 0x0000, access: read-write

7/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ETP
rw 		ECE
rw 		ETPS
rw 		ETF
rw 		MSM
rw 		TS
rw 		OCCS
rw 		SMS
rw
Toggle Fields

SMS

Bits 0-2: Slave mode selection.

Allowed values:
0: Disabled: Slave mode disabled - if CEN = ‘1 then the prescaler is clocked directly by the internal clock.
1: Encoder_Mode_1: Encoder mode 1 - Counter counts up/down on TI2FP1 edge depending on TI1FP2 level.
2: Encoder_Mode_2: Encoder mode 2 - Counter counts up/down on TI1FP2 edge depending on TI2FP1 level.
3: Encoder_Mode_3: Encoder mode 3 - Counter counts up/down on both TI1FP1 and TI2FP2 edges depending on the level of the other input.
4: Reset_Mode: Reset Mode - Rising edge of the selected trigger input (TRGI) reinitializes the counter and generates an update of the registers.
5: Gated_Mode: Gated Mode - The counter clock is enabled when the trigger input (TRGI) is high. The counter stops (but is not reset) as soon as the trigger becomes low. Both start and stop of the counter are controlled.
6: Trigger_Mode: Trigger Mode - The counter starts at a rising edge of the trigger TRGI (but it is not reset). Only the start of the counter is controlled.
7: Ext_Clock_Mode: External Clock Mode 1 - Rising edges of the selected trigger (TRGI) clock the counter.

OCCS

Bit 3: OCREF clear selection.

TS

Bits 4-6: Trigger selection.

Allowed values:
0: ITR0: Internal Trigger 0 (ITR0)
1: ITR1: Internal Trigger 1 (ITR1)
2: ITR2: Internal Trigger 2 (ITR2)
4: TI1F_ED: TI1 Edge Detector (TI1F_ED)
5: TI1FP1: Filtered Timer Input 1 (TI1FP1)
6: TI2FP2: Filtered Timer Input 2 (TI2FP2)
7: ETRF: External Trigger input (ETRF)

MSM

Bit 7: Master/Slave mode.

Allowed values:
0: NoSync: No action
1: Sync: The effect of an event on the trigger input (TRGI) is delayed to allow a perfect synchronization between the current timer and its slaves (through TRGO). It is useful if we want to synchronize several timers on a single external event.

ETF

Bits 8-11: External trigger filter.

Allowed values:
0: NoFilter: No filter, sampling is done at fDTS
1: FCK_INT_N2: fSAMPLING=fCK_INT, N=2
2: FCK_INT_N4: fSAMPLING=fCK_INT, N=4
3: FCK_INT_N8: fSAMPLING=fCK_INT, N=8
4: FDTS_Div2_N6: fSAMPLING=fDTS/2, N=6
5: FDTS_Div2_N8: fSAMPLING=fDTS/2, N=8
6: FDTS_Div4_N6: fSAMPLING=fDTS/4, N=6
7: FDTS_Div4_N8: fSAMPLING=fDTS/4, N=8
8: FDTS_Div8_N6: fSAMPLING=fDTS/8, N=6
9: FDTS_Div8_N8: fSAMPLING=fDTS/8, N=8
10: FDTS_Div16_N5: fSAMPLING=fDTS/16, N=5
11: FDTS_Div16_N6: fSAMPLING=fDTS/16, N=6
12: FDTS_Div16_N8: fSAMPLING=fDTS/16, N=8
13: FDTS_Div32_N5: fSAMPLING=fDTS/32, N=5
14: FDTS_Div32_N6: fSAMPLING=fDTS/32, N=6
15: FDTS_Div32_N8: fSAMPLING=fDTS/32, N=8

ETPS

Bits 12-13: External trigger prescaler.

Allowed values:
0: Div1: Prescaler OFF
1: Div2: ETRP frequency divided by 2
2: Div4: ETRP frequency divided by 4
3: Div8: ETRP frequency divided by 8

ECE

Bit 14: External clock enable.

Allowed values:
0: Disabled: External clock mode 2 disabled
1: Enabled: External clock mode 2 enabled. The counter is clocked by any active edge on the ETRF signal.

ETP

Bit 15: External trigger polarity.

Allowed values:
0: NotInverted: ETR is noninverted, active at high level or rising edge
1: Inverted: ETR is inverted, active at low level or falling edge

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TDE
rw 		CC4DE
rw 		CC3DE
rw 		CC2DE
rw 		CC1DE
rw 		UDE
rw 		TIE
rw 		CC4IE
rw 		CC3IE
rw 		CC2IE
rw 		CC1IE
rw 		UIE
rw
Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

CC1IE

Bit 1: Capture/Compare 1 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

CC2IE

Bit 2: Capture/Compare 2 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

CC3IE

Bit 3: Capture/Compare 3 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

CC4IE

Bit 4: Capture/Compare 4 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

TIE

Bit 6: Trigger interrupt enable.

Allowed values:
0: Disabled: Trigger interrupt disabled
1: Enabled: Trigger interrupt enabled

UDE

Bit 8: Update DMA request enable.

Allowed values:
0: Disabled: Update DMA request disabled
1: Enabled: Update DMA request enabled

CC1DE

Bit 9: Capture/Compare 1 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

CC2DE

Bit 10: Capture/Compare 2 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

CC3DE

Bit 11: Capture/Compare 3 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

CC4DE

Bit 12: Capture/Compare 4 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

TDE

Bit 14: Trigger DMA request enable.

Allowed values:
0: Disabled: Trigger DMA request disabled
1: Enabled: Trigger DMA request enabled

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

10/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC4OF
rw 		CC3OF
rw 		CC2OF
rw 		CC1OF
rw 		TIF
rw 		CC4IF
rw 		CC3IF
rw 		CC2IF
rw 		CC1IF
rw 		UIF
rw
Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

CC1IF

Bit 1: Capture/compare 1 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

CC2IF

Bit 2: Capture/Compare 2 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

CC3IF

Bit 3: Capture/Compare 3 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

CC4IF

Bit 4: Capture/Compare 4 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

TIF

Bit 6: Trigger interrupt flag.

Allowed values:
0: NoTrigger: No trigger event occurred
1: Trigger: Trigger interrupt pending

CC1OF

Bit 9: Capture/Compare 1 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

CC2OF

Bit 10: Capture/compare 2 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

CC3OF

Bit 11: Capture/Compare 3 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

CC4OF

Bit 12: Capture/Compare 4 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TG
w 		CC4G
w 		CC3G
w 		CC2G
w 		CC1G
w 		UG
w
Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CC1G

Bit 1: Capture/compare 1 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

CC2G

Bit 2: Capture/compare 2 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

CC3G

Bit 3: Capture/compare 3 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

CC4G

Bit 4: Capture/compare 4 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

TG

Bit 6: Trigger generation.

Allowed values:
1: Trigger: The TIF flag is set in TIMx_SR register. Related interrupt or DMA transfer can occur if enabled.

CCMR1_Input

capture/compare mode register 1 (input mode)

Offset: 0x18, reset: 0x00000000, access: read-write

4/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IC2F
rw 		IC2PSC
rw 		CC2S
rw 		IC1F
rw 		IC1PSC
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

Allowed values:
1: TI1: CC1 channel is configured as input, IC1 is mapped on TI1
2: TI2: CC1 channel is configured as input, IC1 is mapped on TI2
3: TRC: CC1 channel is configured as input, IC1 is mapped on TRC

IC1PSC

Bits 2-3: Input capture 1 prescaler.

IC1F

Bits 4-7: Input capture 1 filter.

Allowed values:
0: NoFilter: No filter, sampling is done at fDTS
1: FCK_INT_N2: fSAMPLING=fCK_INT, N=2
2: FCK_INT_N4: fSAMPLING=fCK_INT, N=4
3: FCK_INT_N8: fSAMPLING=fCK_INT, N=8
4: FDTS_Div2_N6: fSAMPLING=fDTS/2, N=6
5: FDTS_Div2_N8: fSAMPLING=fDTS/2, N=8
6: FDTS_Div4_N6: fSAMPLING=fDTS/4, N=6
7: FDTS_Div4_N8: fSAMPLING=fDTS/4, N=8
8: FDTS_Div8_N6: fSAMPLING=fDTS/8, N=6
9: FDTS_Div8_N8: fSAMPLING=fDTS/8, N=8
10: FDTS_Div16_N5: fSAMPLING=fDTS/16, N=5
11: FDTS_Div16_N6: fSAMPLING=fDTS/16, N=6
12: FDTS_Div16_N8: fSAMPLING=fDTS/16, N=8
13: FDTS_Div32_N5: fSAMPLING=fDTS/32, N=5
14: FDTS_Div32_N6: fSAMPLING=fDTS/32, N=6
15: FDTS_Div32_N8: fSAMPLING=fDTS/32, N=8

CC2S

Bits 8-9: Capture/compare 2 selection.

Allowed values:
1: TI2: CC2 channel is configured as input, IC2 is mapped on TI2
2: TI1: CC2 channel is configured as input, IC2 is mapped on TI1
3: TRC: CC2 channel is configured as input, IC2 is mapped on TRC

IC2PSC

Bits 10-11: Input capture 2 prescaler.

IC2F

Bits 12-15: Input capture 2 filter.

Allowed values: 0x0-0xf

CCMR1_Output

capture/compare mode register 1 (output mode)

Offset: 0x18, reset: 0x00000000, access: read-write

6/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OC2CE
rw 		OC2M
rw 		OC2PE
rw 		OC2FE
rw 		CC2S
rw 		OC1CE
rw 		OC1M
rw 		OC1PE
rw 		OC1FE
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

Allowed values:
0: Output: CC1 channel is configured as output

OC1FE

Bit 2: Output compare 1 fast enable.

OC1PE

Bit 3: Output compare 1 preload enable.

Allowed values:
0: Disabled: Preload register on CCR1 disabled. New values written to CCR1 are taken into account immediately
1: Enabled: Preload register on CCR1 enabled. Preload value is loaded into active register on each update event

OC1M

Bits 4-6: Output compare 1 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC1CE

Bit 7: Output compare 1 clear enable.

CC2S

Bits 8-9: Capture/Compare 2 selection.

Allowed values:
0: Output: CC2 channel is configured as output

OC2FE

Bit 10: Output compare 2 fast enable.

OC2PE

Bit 11: Output compare 2 preload enable.

Allowed values:
0: Disabled: Preload register on CCR2 disabled. New values written to CCR2 are taken into account immediately
1: Enabled: Preload register on CCR2 enabled. Preload value is loaded into active register on each update event

OC2M

Bits 12-14: Output compare 2 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC2CE

Bit 15: Output compare 2 clear enable.

CCMR2_Input

capture/compare mode register 2 (input mode)

Offset: 0x1c, reset: 0x00000000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IC4F
rw 		IC4PSC
rw 		CC4S
rw 		IC3F
rw 		IC3PSC
rw 		CC3S
rw
Toggle Fields

CC3S

Bits 0-1: Capture/Compare 3 selection.

Allowed values:
1: TI3: CC3 channel is configured as input, IC3 is mapped on TI3
2: TI4: CC3 channel is configured as input, IC3 is mapped on TI4
3: TRC: CC3 channel is configured as input, IC3 is mapped on TRC

IC3PSC

Bits 2-3: Input capture 3 prescaler.

Allowed values: 0x0-0x3

IC3F

Bits 4-7: Input capture 3 filter.

Allowed values: 0x0-0xf

CC4S

Bits 8-9: Capture/Compare 4 selection.

Allowed values:
1: TI4: CC4 channel is configured as input, IC4 is mapped on TI4
2: TI3: CC4 channel is configured as input, IC4 is mapped on TI3
3: TRC: CC4 channel is configured as input, IC4 is mapped on TRC

IC4PSC

Bits 10-11: Input capture 4 prescaler.

Allowed values: 0x0-0x3

IC4F

Bits 12-15: Input capture 4 filter.

Allowed values: 0x0-0xf

CCMR2_Output

capture/compare mode register 2 (output mode)

Offset: 0x1c, reset: 0x00000000, access: read-write

6/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OC4CE
rw 		OC4M
rw 		OC4PE
rw 		OC4FE
rw 		CC4S
rw 		OC3CE
rw 		OC3M
rw 		OC3PE
rw 		OC3FE
rw 		CC3S
rw
Toggle Fields

CC3S

Bits 0-1: Capture/Compare 3 selection.

Allowed values:
0: Output: CC3 channel is configured as output

OC3FE

Bit 2: Output compare 3 fast enable.

OC3PE

Bit 3: Output compare 3 preload enable.

Allowed values:
0: Disabled: Preload register on CCR3 disabled. New values written to CCR3 are taken into account immediately
1: Enabled: Preload register on CCR3 enabled. Preload value is loaded into active register on each update event

OC3M

Bits 4-6: Output compare 3 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC3CE

Bit 7: Output compare 3 clear enable.

CC4S

Bits 8-9: Capture/Compare 4 selection.

Allowed values:
0: Output: CC4 channel is configured as output

OC4FE

Bit 10: Output compare 4 fast enable.

OC4PE

Bit 11: Output compare 4 preload enable.

Allowed values:
0: Disabled: Preload register on CCR4 disabled. New values written to CCR4 are taken into account immediately
1: Enabled: Preload register on CCR4 enabled. Preload value is loaded into active register on each update event

OC4M

Bits 12-14: Output compare 4 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC4CE

Bit 15: Output compare 4 clear enable.

CCER

capture/compare enable register

Offset: 0x20, reset: 0x0000, access: read-write

0/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC4P
rw 		CC4E
rw 		CC3P
rw 		CC3E
rw 		CC2P
rw 		CC2E
rw 		CC1P
rw 		CC1E
rw
Toggle Fields

CC1E

Bit 0: Capture/Compare 1 output enable.

CC1P

Bit 1: Capture/Compare 1 output Polarity.

CC2E

Bit 4: Capture/Compare 2 output enable.

CC2P

Bit 5: Capture/Compare 2 output Polarity.

CC3E

Bit 8: Capture/Compare 3 output enable.

CC3P

Bit 9: Capture/Compare 3 output Polarity.

CC4E

Bit 12: Capture/Compare 4 output enable.

CC4P

Bit 13: Capture/Compare 3 output Polarity.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNT
rw
Toggle Fields

CNT

Bits 0-15: counter value.

Allowed values: 0x0-0xffff

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PSC
rw
Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ARR
rw
Toggle Fields

ARR

Bits 0-15: Auto-reload value.

Allowed values: 0x0-0xffff

CCR[1]

capture/compare register

Offset: 0x34, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

CCR[2]

capture/compare register

Offset: 0x38, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

CCR[3]

capture/compare register

Offset: 0x3c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

CCR[4]

capture/compare register

Offset: 0x40, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

DCR

DMA control register

Offset: 0x48, reset: 0x0000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DBL
rw 		DBA
rw
Toggle Fields

DBA

Bits 0-4: DMA base address.

Allowed values: 0x0-0x1f

DBL

Bits 8-12: DMA burst length.

Allowed values: 0x0-0x12

DMAR

DMA address for full transfer

Offset: 0x4c, reset: 0x0000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DMAB
rw
Toggle Fields

DMAB

Bits 0-15: DMA register for burst accesses.

TIM4

0x40000800: General purpose timer

77/97 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0x4 CR2
0x8 SMCR
0xc DIER
0x10 SR
0x14 EGR
0x18 CCMR1_Input
0x18 CCMR1_Output
0x1c CCMR2_Input
0x1c CCMR2_Output
0x20 CCER
0x24 CNT
0x28 PSC
0x2c ARR
0x34 CCR[1]
0x38 CCR[2]
0x3c CCR[3]
0x40 CCR[4]
0x48 DCR
0x4c DMAR

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

8/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CKD
rw 		ARPE
rw 		CMS
rw 		DIR
rw 		OPM
rw 		URS
rw 		UDIS
rw 		CEN
rw
Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

Allowed values:
0: AnyEvent: Any of counter overflow/underflow, setting UG, or update through slave mode, generates an update interrupt or DMA request
1: CounterOnly: Only counter overflow/underflow generates an update interrupt or DMA request

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

DIR

Bit 4: Direction.

Allowed values:
0: Up: Counter used as upcounter
1: Down: Counter used as downcounter

CMS

Bits 5-6: Center-aligned mode selection.

Allowed values:
0: EdgeAligned: The counter counts up or down depending on the direction bit
1: CenterAligned1: The counter counts up and down alternatively. Output compare interrupt flags are set only when the counter is counting down.
2: CenterAligned2: The counter counts up and down alternatively. Output compare interrupt flags are set only when the counter is counting up.
3: CenterAligned3: The counter counts up and down alternatively. Output compare interrupt flags are set both when the counter is counting up or down.

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CKD

Bits 8-9: Clock division.

Allowed values:
0: Div1: t_DTS = t_CK_INT
1: Div2: t_DTS = 2 × t_CK_INT
2: Div4: t_DTS = 4 × t_CK_INT

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

3/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TI1S
rw 		MMS
rw 		CCDS
rw
Toggle Fields

CCDS

Bit 3: Capture/compare DMA selection.

Allowed values:
0: OnCompare: CCx DMA request sent when CCx event occurs
1: OnUpdate: CCx DMA request sent when update event occurs

MMS

Bits 4-6: Master mode selection.

Allowed values:
0: Reset: The UG bit from the TIMx_EGR register is used as trigger output
1: Enable: The counter enable signal, CNT_EN, is used as trigger output
2: Update: The update event is selected as trigger output
3: ComparePulse: The trigger output send a positive pulse when the CC1IF flag it to be set, as soon as a capture or a compare match occurred
4: CompareOC1: OC1REF signal is used as trigger output
5: CompareOC2: OC2REF signal is used as trigger output
6: CompareOC3: OC3REF signal is used as trigger output
7: CompareOC4: OC4REF signal is used as trigger output

TI1S

Bit 7: TI1 selection.

Allowed values:
0: Normal: The TIMx_CH1 pin is connected to TI1 input
1: XOR: The TIMx_CH1, CH2, CH3 pins are connected to TI1 input

SMCR

slave mode control register

Offset: 0x8, reset: 0x0000, access: read-write

7/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ETP
rw 		ECE
rw 		ETPS
rw 		ETF
rw 		MSM
rw 		TS
rw 		OCCS
rw 		SMS
rw
Toggle Fields

SMS

Bits 0-2: Slave mode selection.

Allowed values:
0: Disabled: Slave mode disabled - if CEN = ‘1 then the prescaler is clocked directly by the internal clock.
1: Encoder_Mode_1: Encoder mode 1 - Counter counts up/down on TI2FP1 edge depending on TI1FP2 level.
2: Encoder_Mode_2: Encoder mode 2 - Counter counts up/down on TI1FP2 edge depending on TI2FP1 level.
3: Encoder_Mode_3: Encoder mode 3 - Counter counts up/down on both TI1FP1 and TI2FP2 edges depending on the level of the other input.
4: Reset_Mode: Reset Mode - Rising edge of the selected trigger input (TRGI) reinitializes the counter and generates an update of the registers.
5: Gated_Mode: Gated Mode - The counter clock is enabled when the trigger input (TRGI) is high. The counter stops (but is not reset) as soon as the trigger becomes low. Both start and stop of the counter are controlled.
6: Trigger_Mode: Trigger Mode - The counter starts at a rising edge of the trigger TRGI (but it is not reset). Only the start of the counter is controlled.
7: Ext_Clock_Mode: External Clock Mode 1 - Rising edges of the selected trigger (TRGI) clock the counter.

OCCS

Bit 3: OCREF clear selection.

TS

Bits 4-6: Trigger selection.

Allowed values:
0: ITR0: Internal Trigger 0 (ITR0)
1: ITR1: Internal Trigger 1 (ITR1)
2: ITR2: Internal Trigger 2 (ITR2)
4: TI1F_ED: TI1 Edge Detector (TI1F_ED)
5: TI1FP1: Filtered Timer Input 1 (TI1FP1)
6: TI2FP2: Filtered Timer Input 2 (TI2FP2)
7: ETRF: External Trigger input (ETRF)

MSM

Bit 7: Master/Slave mode.

Allowed values:
0: NoSync: No action
1: Sync: The effect of an event on the trigger input (TRGI) is delayed to allow a perfect synchronization between the current timer and its slaves (through TRGO). It is useful if we want to synchronize several timers on a single external event.

ETF

Bits 8-11: External trigger filter.

Allowed values:
0: NoFilter: No filter, sampling is done at fDTS
1: FCK_INT_N2: fSAMPLING=fCK_INT, N=2
2: FCK_INT_N4: fSAMPLING=fCK_INT, N=4
3: FCK_INT_N8: fSAMPLING=fCK_INT, N=8
4: FDTS_Div2_N6: fSAMPLING=fDTS/2, N=6
5: FDTS_Div2_N8: fSAMPLING=fDTS/2, N=8
6: FDTS_Div4_N6: fSAMPLING=fDTS/4, N=6
7: FDTS_Div4_N8: fSAMPLING=fDTS/4, N=8
8: FDTS_Div8_N6: fSAMPLING=fDTS/8, N=6
9: FDTS_Div8_N8: fSAMPLING=fDTS/8, N=8
10: FDTS_Div16_N5: fSAMPLING=fDTS/16, N=5
11: FDTS_Div16_N6: fSAMPLING=fDTS/16, N=6
12: FDTS_Div16_N8: fSAMPLING=fDTS/16, N=8
13: FDTS_Div32_N5: fSAMPLING=fDTS/32, N=5
14: FDTS_Div32_N6: fSAMPLING=fDTS/32, N=6
15: FDTS_Div32_N8: fSAMPLING=fDTS/32, N=8

ETPS

Bits 12-13: External trigger prescaler.

Allowed values:
0: Div1: Prescaler OFF
1: Div2: ETRP frequency divided by 2
2: Div4: ETRP frequency divided by 4
3: Div8: ETRP frequency divided by 8

ECE

Bit 14: External clock enable.

Allowed values:
0: Disabled: External clock mode 2 disabled
1: Enabled: External clock mode 2 enabled. The counter is clocked by any active edge on the ETRF signal.

ETP

Bit 15: External trigger polarity.

Allowed values:
0: NotInverted: ETR is noninverted, active at high level or rising edge
1: Inverted: ETR is inverted, active at low level or falling edge

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TDE
rw 		CC4DE
rw 		CC3DE
rw 		CC2DE
rw 		CC1DE
rw 		UDE
rw 		TIE
rw 		CC4IE
rw 		CC3IE
rw 		CC2IE
rw 		CC1IE
rw 		UIE
rw
Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

CC1IE

Bit 1: Capture/Compare 1 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

CC2IE

Bit 2: Capture/Compare 2 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

CC3IE

Bit 3: Capture/Compare 3 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

CC4IE

Bit 4: Capture/Compare 4 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

TIE

Bit 6: Trigger interrupt enable.

Allowed values:
0: Disabled: Trigger interrupt disabled
1: Enabled: Trigger interrupt enabled

UDE

Bit 8: Update DMA request enable.

Allowed values:
0: Disabled: Update DMA request disabled
1: Enabled: Update DMA request enabled

CC1DE

Bit 9: Capture/Compare 1 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

CC2DE

Bit 10: Capture/Compare 2 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

CC3DE

Bit 11: Capture/Compare 3 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

CC4DE

Bit 12: Capture/Compare 4 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

TDE

Bit 14: Trigger DMA request enable.

Allowed values:
0: Disabled: Trigger DMA request disabled
1: Enabled: Trigger DMA request enabled

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

10/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC4OF
rw 		CC3OF
rw 		CC2OF
rw 		CC1OF
rw 		TIF
rw 		CC4IF
rw 		CC3IF
rw 		CC2IF
rw 		CC1IF
rw 		UIF
rw
Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

CC1IF

Bit 1: Capture/compare 1 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

CC2IF

Bit 2: Capture/Compare 2 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

CC3IF

Bit 3: Capture/Compare 3 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

CC4IF

Bit 4: Capture/Compare 4 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

TIF

Bit 6: Trigger interrupt flag.

Allowed values:
0: NoTrigger: No trigger event occurred
1: Trigger: Trigger interrupt pending

CC1OF

Bit 9: Capture/Compare 1 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

CC2OF

Bit 10: Capture/compare 2 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

CC3OF

Bit 11: Capture/Compare 3 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

CC4OF

Bit 12: Capture/Compare 4 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TG
w 		CC4G
w 		CC3G
w 		CC2G
w 		CC1G
w 		UG
w
Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CC1G

Bit 1: Capture/compare 1 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

CC2G

Bit 2: Capture/compare 2 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

CC3G

Bit 3: Capture/compare 3 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

CC4G

Bit 4: Capture/compare 4 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

TG

Bit 6: Trigger generation.

Allowed values:
1: Trigger: The TIF flag is set in TIMx_SR register. Related interrupt or DMA transfer can occur if enabled.

CCMR1_Input

capture/compare mode register 1 (input mode)

Offset: 0x18, reset: 0x00000000, access: read-write

4/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IC2F
rw 		IC2PSC
rw 		CC2S
rw 		IC1F
rw 		IC1PSC
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

Allowed values:
1: TI1: CC1 channel is configured as input, IC1 is mapped on TI1
2: TI2: CC1 channel is configured as input, IC1 is mapped on TI2
3: TRC: CC1 channel is configured as input, IC1 is mapped on TRC

IC1PSC

Bits 2-3: Input capture 1 prescaler.

IC1F

Bits 4-7: Input capture 1 filter.

Allowed values:
0: NoFilter: No filter, sampling is done at fDTS
1: FCK_INT_N2: fSAMPLING=fCK_INT, N=2
2: FCK_INT_N4: fSAMPLING=fCK_INT, N=4
3: FCK_INT_N8: fSAMPLING=fCK_INT, N=8
4: FDTS_Div2_N6: fSAMPLING=fDTS/2, N=6
5: FDTS_Div2_N8: fSAMPLING=fDTS/2, N=8
6: FDTS_Div4_N6: fSAMPLING=fDTS/4, N=6
7: FDTS_Div4_N8: fSAMPLING=fDTS/4, N=8
8: FDTS_Div8_N6: fSAMPLING=fDTS/8, N=6
9: FDTS_Div8_N8: fSAMPLING=fDTS/8, N=8
10: FDTS_Div16_N5: fSAMPLING=fDTS/16, N=5
11: FDTS_Div16_N6: fSAMPLING=fDTS/16, N=6
12: FDTS_Div16_N8: fSAMPLING=fDTS/16, N=8
13: FDTS_Div32_N5: fSAMPLING=fDTS/32, N=5
14: FDTS_Div32_N6: fSAMPLING=fDTS/32, N=6
15: FDTS_Div32_N8: fSAMPLING=fDTS/32, N=8

CC2S

Bits 8-9: Capture/compare 2 selection.

Allowed values:
1: TI2: CC2 channel is configured as input, IC2 is mapped on TI2
2: TI1: CC2 channel is configured as input, IC2 is mapped on TI1
3: TRC: CC2 channel is configured as input, IC2 is mapped on TRC

IC2PSC

Bits 10-11: Input capture 2 prescaler.

IC2F

Bits 12-15: Input capture 2 filter.

Allowed values: 0x0-0xf

CCMR1_Output

capture/compare mode register 1 (output mode)

Offset: 0x18, reset: 0x00000000, access: read-write

6/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OC2CE
rw 		OC2M
rw 		OC2PE
rw 		OC2FE
rw 		CC2S
rw 		OC1CE
rw 		OC1M
rw 		OC1PE
rw 		OC1FE
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

Allowed values:
0: Output: CC1 channel is configured as output

OC1FE

Bit 2: Output compare 1 fast enable.

OC1PE

Bit 3: Output compare 1 preload enable.

Allowed values:
0: Disabled: Preload register on CCR1 disabled. New values written to CCR1 are taken into account immediately
1: Enabled: Preload register on CCR1 enabled. Preload value is loaded into active register on each update event

OC1M

Bits 4-6: Output compare 1 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC1CE

Bit 7: Output compare 1 clear enable.

CC2S

Bits 8-9: Capture/Compare 2 selection.

Allowed values:
0: Output: CC2 channel is configured as output

OC2FE

Bit 10: Output compare 2 fast enable.

OC2PE

Bit 11: Output compare 2 preload enable.

Allowed values:
0: Disabled: Preload register on CCR2 disabled. New values written to CCR2 are taken into account immediately
1: Enabled: Preload register on CCR2 enabled. Preload value is loaded into active register on each update event

OC2M

Bits 12-14: Output compare 2 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC2CE

Bit 15: Output compare 2 clear enable.

CCMR2_Input

capture/compare mode register 2 (input mode)

Offset: 0x1c, reset: 0x00000000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IC4F
rw 		IC4PSC
rw 		CC4S
rw 		IC3F
rw 		IC3PSC
rw 		CC3S
rw
Toggle Fields

CC3S

Bits 0-1: Capture/Compare 3 selection.

Allowed values:
1: TI3: CC3 channel is configured as input, IC3 is mapped on TI3
2: TI4: CC3 channel is configured as input, IC3 is mapped on TI4
3: TRC: CC3 channel is configured as input, IC3 is mapped on TRC

IC3PSC

Bits 2-3: Input capture 3 prescaler.

Allowed values: 0x0-0x3

IC3F

Bits 4-7: Input capture 3 filter.

Allowed values: 0x0-0xf

CC4S

Bits 8-9: Capture/Compare 4 selection.

Allowed values:
1: TI4: CC4 channel is configured as input, IC4 is mapped on TI4
2: TI3: CC4 channel is configured as input, IC4 is mapped on TI3
3: TRC: CC4 channel is configured as input, IC4 is mapped on TRC

IC4PSC

Bits 10-11: Input capture 4 prescaler.

Allowed values: 0x0-0x3

IC4F

Bits 12-15: Input capture 4 filter.

Allowed values: 0x0-0xf

CCMR2_Output

capture/compare mode register 2 (output mode)

Offset: 0x1c, reset: 0x00000000, access: read-write

6/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OC4CE
rw 		OC4M
rw 		OC4PE
rw 		OC4FE
rw 		CC4S
rw 		OC3CE
rw 		OC3M
rw 		OC3PE
rw 		OC3FE
rw 		CC3S
rw
Toggle Fields

CC3S

Bits 0-1: Capture/Compare 3 selection.

Allowed values:
0: Output: CC3 channel is configured as output

OC3FE

Bit 2: Output compare 3 fast enable.

OC3PE

Bit 3: Output compare 3 preload enable.

Allowed values:
0: Disabled: Preload register on CCR3 disabled. New values written to CCR3 are taken into account immediately
1: Enabled: Preload register on CCR3 enabled. Preload value is loaded into active register on each update event

OC3M

Bits 4-6: Output compare 3 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC3CE

Bit 7: Output compare 3 clear enable.

CC4S

Bits 8-9: Capture/Compare 4 selection.

Allowed values:
0: Output: CC4 channel is configured as output

OC4FE

Bit 10: Output compare 4 fast enable.

OC4PE

Bit 11: Output compare 4 preload enable.

Allowed values:
0: Disabled: Preload register on CCR4 disabled. New values written to CCR4 are taken into account immediately
1: Enabled: Preload register on CCR4 enabled. Preload value is loaded into active register on each update event

OC4M

Bits 12-14: Output compare 4 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC4CE

Bit 15: Output compare 4 clear enable.

CCER

capture/compare enable register

Offset: 0x20, reset: 0x0000, access: read-write

0/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC4P
rw 		CC4E
rw 		CC3P
rw 		CC3E
rw 		CC2P
rw 		CC2E
rw 		CC1P
rw 		CC1E
rw
Toggle Fields

CC1E

Bit 0: Capture/Compare 1 output enable.

CC1P

Bit 1: Capture/Compare 1 output Polarity.

CC2E

Bit 4: Capture/Compare 2 output enable.

CC2P

Bit 5: Capture/Compare 2 output Polarity.

CC3E

Bit 8: Capture/Compare 3 output enable.

CC3P

Bit 9: Capture/Compare 3 output Polarity.

CC4E

Bit 12: Capture/Compare 4 output enable.

CC4P

Bit 13: Capture/Compare 3 output Polarity.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNT
rw
Toggle Fields

CNT

Bits 0-15: counter value.

Allowed values: 0x0-0xffff

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PSC
rw
Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ARR
rw
Toggle Fields

ARR

Bits 0-15: Auto-reload value.

Allowed values: 0x0-0xffff

CCR[1]

capture/compare register

Offset: 0x34, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

CCR[2]

capture/compare register

Offset: 0x38, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

CCR[3]

capture/compare register

Offset: 0x3c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

CCR[4]

capture/compare register

Offset: 0x40, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

DCR

DMA control register

Offset: 0x48, reset: 0x0000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DBL
rw 		DBA
rw
Toggle Fields

DBA

Bits 0-4: DMA base address.

Allowed values: 0x0-0x1f

DBL

Bits 8-12: DMA burst length.

Allowed values: 0x0-0x12

DMAR

DMA address for full transfer

Offset: 0x4c, reset: 0x0000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DMAB
rw
Toggle Fields

DMAB

Bits 0-15: DMA register for burst accesses.

TIM5

0x40000c00: General purpose timer

77/97 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0x4 CR2
0x8 SMCR
0xc DIER
0x10 SR
0x14 EGR
0x18 CCMR1_Input
0x18 CCMR1_Output
0x1c CCMR2_Input
0x1c CCMR2_Output
0x20 CCER
0x24 CNT
0x28 PSC
0x2c ARR
0x34 CCR[1]
0x38 CCR[2]
0x3c CCR[3]
0x40 CCR[4]
0x48 DCR
0x4c DMAR

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

8/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CKD
rw 		ARPE
rw 		CMS
rw 		DIR
rw 		OPM
rw 		URS
rw 		UDIS
rw 		CEN
rw
Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

Allowed values:
0: AnyEvent: Any of counter overflow/underflow, setting UG, or update through slave mode, generates an update interrupt or DMA request
1: CounterOnly: Only counter overflow/underflow generates an update interrupt or DMA request

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

DIR

Bit 4: Direction.

Allowed values:
0: Up: Counter used as upcounter
1: Down: Counter used as downcounter

CMS

Bits 5-6: Center-aligned mode selection.

Allowed values:
0: EdgeAligned: The counter counts up or down depending on the direction bit
1: CenterAligned1: The counter counts up and down alternatively. Output compare interrupt flags are set only when the counter is counting down.
2: CenterAligned2: The counter counts up and down alternatively. Output compare interrupt flags are set only when the counter is counting up.
3: CenterAligned3: The counter counts up and down alternatively. Output compare interrupt flags are set both when the counter is counting up or down.

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CKD

Bits 8-9: Clock division.

Allowed values:
0: Div1: t_DTS = t_CK_INT
1: Div2: t_DTS = 2 × t_CK_INT
2: Div4: t_DTS = 4 × t_CK_INT

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

3/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TI1S
rw 		MMS
rw 		CCDS
rw
Toggle Fields

CCDS

Bit 3: Capture/compare DMA selection.

Allowed values:
0: OnCompare: CCx DMA request sent when CCx event occurs
1: OnUpdate: CCx DMA request sent when update event occurs

MMS

Bits 4-6: Master mode selection.

Allowed values:
0: Reset: The UG bit from the TIMx_EGR register is used as trigger output
1: Enable: The counter enable signal, CNT_EN, is used as trigger output
2: Update: The update event is selected as trigger output
3: ComparePulse: The trigger output send a positive pulse when the CC1IF flag it to be set, as soon as a capture or a compare match occurred
4: CompareOC1: OC1REF signal is used as trigger output
5: CompareOC2: OC2REF signal is used as trigger output
6: CompareOC3: OC3REF signal is used as trigger output
7: CompareOC4: OC4REF signal is used as trigger output

TI1S

Bit 7: TI1 selection.

Allowed values:
0: Normal: The TIMx_CH1 pin is connected to TI1 input
1: XOR: The TIMx_CH1, CH2, CH3 pins are connected to TI1 input

SMCR

slave mode control register

Offset: 0x8, reset: 0x0000, access: read-write

7/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ETP
rw 		ECE
rw 		ETPS
rw 		ETF
rw 		MSM
rw 		TS
rw 		OCCS
rw 		SMS
rw
Toggle Fields

SMS

Bits 0-2: Slave mode selection.

Allowed values:
0: Disabled: Slave mode disabled - if CEN = ‘1 then the prescaler is clocked directly by the internal clock.
1: Encoder_Mode_1: Encoder mode 1 - Counter counts up/down on TI2FP1 edge depending on TI1FP2 level.
2: Encoder_Mode_2: Encoder mode 2 - Counter counts up/down on TI1FP2 edge depending on TI2FP1 level.
3: Encoder_Mode_3: Encoder mode 3 - Counter counts up/down on both TI1FP1 and TI2FP2 edges depending on the level of the other input.
4: Reset_Mode: Reset Mode - Rising edge of the selected trigger input (TRGI) reinitializes the counter and generates an update of the registers.
5: Gated_Mode: Gated Mode - The counter clock is enabled when the trigger input (TRGI) is high. The counter stops (but is not reset) as soon as the trigger becomes low. Both start and stop of the counter are controlled.
6: Trigger_Mode: Trigger Mode - The counter starts at a rising edge of the trigger TRGI (but it is not reset). Only the start of the counter is controlled.
7: Ext_Clock_Mode: External Clock Mode 1 - Rising edges of the selected trigger (TRGI) clock the counter.

OCCS

Bit 3: OCREF clear selection.

TS

Bits 4-6: Trigger selection.

Allowed values:
0: ITR0: Internal Trigger 0 (ITR0)
1: ITR1: Internal Trigger 1 (ITR1)
2: ITR2: Internal Trigger 2 (ITR2)
4: TI1F_ED: TI1 Edge Detector (TI1F_ED)
5: TI1FP1: Filtered Timer Input 1 (TI1FP1)
6: TI2FP2: Filtered Timer Input 2 (TI2FP2)
7: ETRF: External Trigger input (ETRF)

MSM

Bit 7: Master/Slave mode.

Allowed values:
0: NoSync: No action
1: Sync: The effect of an event on the trigger input (TRGI) is delayed to allow a perfect synchronization between the current timer and its slaves (through TRGO). It is useful if we want to synchronize several timers on a single external event.

ETF

Bits 8-11: External trigger filter.

Allowed values:
0: NoFilter: No filter, sampling is done at fDTS
1: FCK_INT_N2: fSAMPLING=fCK_INT, N=2
2: FCK_INT_N4: fSAMPLING=fCK_INT, N=4
3: FCK_INT_N8: fSAMPLING=fCK_INT, N=8
4: FDTS_Div2_N6: fSAMPLING=fDTS/2, N=6
5: FDTS_Div2_N8: fSAMPLING=fDTS/2, N=8
6: FDTS_Div4_N6: fSAMPLING=fDTS/4, N=6
7: FDTS_Div4_N8: fSAMPLING=fDTS/4, N=8
8: FDTS_Div8_N6: fSAMPLING=fDTS/8, N=6
9: FDTS_Div8_N8: fSAMPLING=fDTS/8, N=8
10: FDTS_Div16_N5: fSAMPLING=fDTS/16, N=5
11: FDTS_Div16_N6: fSAMPLING=fDTS/16, N=6
12: FDTS_Div16_N8: fSAMPLING=fDTS/16, N=8
13: FDTS_Div32_N5: fSAMPLING=fDTS/32, N=5
14: FDTS_Div32_N6: fSAMPLING=fDTS/32, N=6
15: FDTS_Div32_N8: fSAMPLING=fDTS/32, N=8

ETPS

Bits 12-13: External trigger prescaler.

Allowed values:
0: Div1: Prescaler OFF
1: Div2: ETRP frequency divided by 2
2: Div4: ETRP frequency divided by 4
3: Div8: ETRP frequency divided by 8

ECE

Bit 14: External clock enable.

Allowed values:
0: Disabled: External clock mode 2 disabled
1: Enabled: External clock mode 2 enabled. The counter is clocked by any active edge on the ETRF signal.

ETP

Bit 15: External trigger polarity.

Allowed values:
0: NotInverted: ETR is noninverted, active at high level or rising edge
1: Inverted: ETR is inverted, active at low level or falling edge

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

12/12 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TDE
rw 		CC4DE
rw 		CC3DE
rw 		CC2DE
rw 		CC1DE
rw 		UDE
rw 		TIE
rw 		CC4IE
rw 		CC3IE
rw 		CC2IE
rw 		CC1IE
rw 		UIE
rw
Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

CC1IE

Bit 1: Capture/Compare 1 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

CC2IE

Bit 2: Capture/Compare 2 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

CC3IE

Bit 3: Capture/Compare 3 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

CC4IE

Bit 4: Capture/Compare 4 interrupt enable.

Allowed values:
0: Disabled: CCx interrupt disabled
1: Enabled: CCx interrupt enabled

TIE

Bit 6: Trigger interrupt enable.

Allowed values:
0: Disabled: Trigger interrupt disabled
1: Enabled: Trigger interrupt enabled

UDE

Bit 8: Update DMA request enable.

Allowed values:
0: Disabled: Update DMA request disabled
1: Enabled: Update DMA request enabled

CC1DE

Bit 9: Capture/Compare 1 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

CC2DE

Bit 10: Capture/Compare 2 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

CC3DE

Bit 11: Capture/Compare 3 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

CC4DE

Bit 12: Capture/Compare 4 DMA request enable.

Allowed values:
0: Disabled: CCx DMA request disabled
1: Enabled: CCx DMA request enabled

TDE

Bit 14: Trigger DMA request enable.

Allowed values:
0: Disabled: Trigger DMA request disabled
1: Enabled: Trigger DMA request enabled

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

10/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC4OF
rw 		CC3OF
rw 		CC2OF
rw 		CC1OF
rw 		TIF
rw 		CC4IF
rw 		CC3IF
rw 		CC2IF
rw 		CC1IF
rw 		UIF
rw
Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

CC1IF

Bit 1: Capture/compare 1 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

CC2IF

Bit 2: Capture/Compare 2 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

CC3IF

Bit 3: Capture/Compare 3 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

CC4IF

Bit 4: Capture/Compare 4 interrupt flag.

Allowed values:
1: Match: If CC1 is an output: The content of the counter TIMx_CNT matches the content of the TIMx_CCR1 register. If CC1 is an input: The counter value has been captured in TIMx_CCR1 register.

TIF

Bit 6: Trigger interrupt flag.

Allowed values:
0: NoTrigger: No trigger event occurred
1: Trigger: Trigger interrupt pending

CC1OF

Bit 9: Capture/Compare 1 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

CC2OF

Bit 10: Capture/compare 2 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

CC3OF

Bit 11: Capture/Compare 3 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

CC4OF

Bit 12: Capture/Compare 4 overcapture flag.

Allowed values:
1: Overcapture: The counter value has been captured in TIMx_CCRx register while CCxIF flag was already set

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TG
w 		CC4G
w 		CC3G
w 		CC2G
w 		CC1G
w 		UG
w
Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CC1G

Bit 1: Capture/compare 1 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

CC2G

Bit 2: Capture/compare 2 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

CC3G

Bit 3: Capture/compare 3 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

CC4G

Bit 4: Capture/compare 4 generation.

Allowed values:
1: Trigger: If CC1 is an output: CC1IF flag is set, Corresponding interrupt or DMA request is sent if enabled. If CC1 is an input: The current value of the counter is captured in TIMx_CCR1 register.

TG

Bit 6: Trigger generation.

Allowed values:
1: Trigger: The TIF flag is set in TIMx_SR register. Related interrupt or DMA transfer can occur if enabled.

CCMR1_Input

capture/compare mode register 1 (input mode)

Offset: 0x18, reset: 0x00000000, access: read-write

4/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IC2F
rw 		IC2PSC
rw 		CC2S
rw 		IC1F
rw 		IC1PSC
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

Allowed values:
1: TI1: CC1 channel is configured as input, IC1 is mapped on TI1
2: TI2: CC1 channel is configured as input, IC1 is mapped on TI2
3: TRC: CC1 channel is configured as input, IC1 is mapped on TRC

IC1PSC

Bits 2-3: Input capture 1 prescaler.

IC1F

Bits 4-7: Input capture 1 filter.

Allowed values:
0: NoFilter: No filter, sampling is done at fDTS
1: FCK_INT_N2: fSAMPLING=fCK_INT, N=2
2: FCK_INT_N4: fSAMPLING=fCK_INT, N=4
3: FCK_INT_N8: fSAMPLING=fCK_INT, N=8
4: FDTS_Div2_N6: fSAMPLING=fDTS/2, N=6
5: FDTS_Div2_N8: fSAMPLING=fDTS/2, N=8
6: FDTS_Div4_N6: fSAMPLING=fDTS/4, N=6
7: FDTS_Div4_N8: fSAMPLING=fDTS/4, N=8
8: FDTS_Div8_N6: fSAMPLING=fDTS/8, N=6
9: FDTS_Div8_N8: fSAMPLING=fDTS/8, N=8
10: FDTS_Div16_N5: fSAMPLING=fDTS/16, N=5
11: FDTS_Div16_N6: fSAMPLING=fDTS/16, N=6
12: FDTS_Div16_N8: fSAMPLING=fDTS/16, N=8
13: FDTS_Div32_N5: fSAMPLING=fDTS/32, N=5
14: FDTS_Div32_N6: fSAMPLING=fDTS/32, N=6
15: FDTS_Div32_N8: fSAMPLING=fDTS/32, N=8

CC2S

Bits 8-9: Capture/compare 2 selection.

Allowed values:
1: TI2: CC2 channel is configured as input, IC2 is mapped on TI2
2: TI1: CC2 channel is configured as input, IC2 is mapped on TI1
3: TRC: CC2 channel is configured as input, IC2 is mapped on TRC

IC2PSC

Bits 10-11: Input capture 2 prescaler.

IC2F

Bits 12-15: Input capture 2 filter.

Allowed values: 0x0-0xf

CCMR1_Output

capture/compare mode register 1 (output mode)

Offset: 0x18, reset: 0x00000000, access: read-write

6/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OC2CE
rw 		OC2M
rw 		OC2PE
rw 		OC2FE
rw 		CC2S
rw 		OC1CE
rw 		OC1M
rw 		OC1PE
rw 		OC1FE
rw 		CC1S
rw
Toggle Fields

CC1S

Bits 0-1: Capture/Compare 1 selection.

Allowed values:
0: Output: CC1 channel is configured as output

OC1FE

Bit 2: Output compare 1 fast enable.

OC1PE

Bit 3: Output compare 1 preload enable.

Allowed values:
0: Disabled: Preload register on CCR1 disabled. New values written to CCR1 are taken into account immediately
1: Enabled: Preload register on CCR1 enabled. Preload value is loaded into active register on each update event

OC1M

Bits 4-6: Output compare 1 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC1CE

Bit 7: Output compare 1 clear enable.

CC2S

Bits 8-9: Capture/Compare 2 selection.

Allowed values:
0: Output: CC2 channel is configured as output

OC2FE

Bit 10: Output compare 2 fast enable.

OC2PE

Bit 11: Output compare 2 preload enable.

Allowed values:
0: Disabled: Preload register on CCR2 disabled. New values written to CCR2 are taken into account immediately
1: Enabled: Preload register on CCR2 enabled. Preload value is loaded into active register on each update event

OC2M

Bits 12-14: Output compare 2 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC2CE

Bit 15: Output compare 2 clear enable.

CCMR2_Input

capture/compare mode register 2 (input mode)

Offset: 0x1c, reset: 0x00000000, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IC4F
rw 		IC4PSC
rw 		CC4S
rw 		IC3F
rw 		IC3PSC
rw 		CC3S
rw
Toggle Fields

CC3S

Bits 0-1: Capture/Compare 3 selection.

Allowed values:
1: TI3: CC3 channel is configured as input, IC3 is mapped on TI3
2: TI4: CC3 channel is configured as input, IC3 is mapped on TI4
3: TRC: CC3 channel is configured as input, IC3 is mapped on TRC

IC3PSC

Bits 2-3: Input capture 3 prescaler.

Allowed values: 0x0-0x3

IC3F

Bits 4-7: Input capture 3 filter.

Allowed values: 0x0-0xf

CC4S

Bits 8-9: Capture/Compare 4 selection.

Allowed values:
1: TI4: CC4 channel is configured as input, IC4 is mapped on TI4
2: TI3: CC4 channel is configured as input, IC4 is mapped on TI3
3: TRC: CC4 channel is configured as input, IC4 is mapped on TRC

IC4PSC

Bits 10-11: Input capture 4 prescaler.

Allowed values: 0x0-0x3

IC4F

Bits 12-15: Input capture 4 filter.

Allowed values: 0x0-0xf

CCMR2_Output

capture/compare mode register 2 (output mode)

Offset: 0x1c, reset: 0x00000000, access: read-write

6/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OC4CE
rw 		OC4M
rw 		OC4PE
rw 		OC4FE
rw 		CC4S
rw 		OC3CE
rw 		OC3M
rw 		OC3PE
rw 		OC3FE
rw 		CC3S
rw
Toggle Fields

CC3S

Bits 0-1: Capture/Compare 3 selection.

Allowed values:
0: Output: CC3 channel is configured as output

OC3FE

Bit 2: Output compare 3 fast enable.

OC3PE

Bit 3: Output compare 3 preload enable.

Allowed values:
0: Disabled: Preload register on CCR3 disabled. New values written to CCR3 are taken into account immediately
1: Enabled: Preload register on CCR3 enabled. Preload value is loaded into active register on each update event

OC3M

Bits 4-6: Output compare 3 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC3CE

Bit 7: Output compare 3 clear enable.

CC4S

Bits 8-9: Capture/Compare 4 selection.

Allowed values:
0: Output: CC4 channel is configured as output

OC4FE

Bit 10: Output compare 4 fast enable.

OC4PE

Bit 11: Output compare 4 preload enable.

Allowed values:
0: Disabled: Preload register on CCR4 disabled. New values written to CCR4 are taken into account immediately
1: Enabled: Preload register on CCR4 enabled. Preload value is loaded into active register on each update event

OC4M

Bits 12-14: Output compare 4 mode.

Allowed values:
0: Frozen: The comparison between the output compare register TIMx_CCRy and the counter TIMx_CNT has no effect on the outputs
1: ActiveOnMatch: Set channel to active level on match. OCyREF signal is forced high when the counter matches the capture/compare register
2: InactiveOnMatch: Set channel to inactive level on match. OCyREF signal is forced low when the counter matches the capture/compare register
3: Toggle: OCyREF toggles when TIMx_CNT=TIMx_CCRy
4: ForceInactive: OCyREF is forced low
5: ForceActive: OCyREF is forced high
6: PwmMode1: In upcounting, channel is active as long as TIMx_CNTTIMx_CCRy else active
7: PwmMode2: Inversely to PwmMode1

OC4CE

Bit 15: Output compare 4 clear enable.

CCER

capture/compare enable register

Offset: 0x20, reset: 0x0000, access: read-write

0/8 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CC4P
rw 		CC4E
rw 		CC3P
rw 		CC3E
rw 		CC2P
rw 		CC2E
rw 		CC1P
rw 		CC1E
rw
Toggle Fields

CC1E

Bit 0: Capture/Compare 1 output enable.

CC1P

Bit 1: Capture/Compare 1 output Polarity.

CC2E

Bit 4: Capture/Compare 2 output enable.

CC2P

Bit 5: Capture/Compare 2 output Polarity.

CC3E

Bit 8: Capture/Compare 3 output enable.

CC3P

Bit 9: Capture/Compare 3 output Polarity.

CC4E

Bit 12: Capture/Compare 4 output enable.

CC4P

Bit 13: Capture/Compare 3 output Polarity.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNT
rw
Toggle Fields

CNT

Bits 0-15: counter value.

Allowed values: 0x0-0xffff

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PSC
rw
Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ARR
rw
Toggle Fields

ARR

Bits 0-15: Auto-reload value.

Allowed values: 0x0-0xffff

CCR[1]

capture/compare register

Offset: 0x34, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

CCR[2]

capture/compare register

Offset: 0x38, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

CCR[3]

capture/compare register

Offset: 0x3c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

CCR[4]

capture/compare register

Offset: 0x40, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CCR
rw
Toggle Fields

CCR

Bits 0-15: Capture/Compare value.

Allowed values: 0x0-0xffff

DCR

DMA control register

Offset: 0x48, reset: 0x0000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DBL
rw 		DBA
rw
Toggle Fields

DBA

Bits 0-4: DMA base address.

Allowed values: 0x0-0x1f

DBL

Bits 8-12: DMA burst length.

Allowed values: 0x0-0x12

DMAR

DMA address for full transfer

Offset: 0x4c, reset: 0x0000, access: read-write

0/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DMAB
rw
Toggle Fields

DMAB

Bits 0-15: DMA register for burst accesses.

TIM6

0x40001000: Basic timer

13/13 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0x4 CR2
0xc DIER
0x10 SR
0x14 EGR
0x24 CNT
0x28 PSC
0x2c ARR

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

5/5 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ARPE
rw 		OPM
rw 		URS
rw 		UDIS
rw 		CEN
rw
Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

Allowed values:
0: AnyEvent: Any of counter overflow/underflow, setting UG, or update through slave mode, generates an update interrupt or DMA request
1: CounterOnly: Only counter overflow/underflow generates an update interrupt or DMA request

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MMS
rw
Toggle Fields

MMS

Bits 4-6: Master mode selection.

Allowed values:
0: Reset: Use UG bit from TIMx_EGR register
1: Enable: Use CNT bit from TIMx_CEN register
2: Update: Use the update event

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
UDE
rw 		UIE
rw
Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

UDE

Bit 8: Update DMA request enable.

Allowed values:
0: Disabled: Update DMA request disabled
1: Enabled: Update DMA request enabled

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
UIF
rw
Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
UG
w
Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNT
rw
Toggle Fields

CNT

Bits 0-15: Low counter value.

Allowed values: 0x0-0xffff

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PSC
rw
Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ARR
rw
Toggle Fields

ARR

Bits 0-15: Low Auto-reload value.

Allowed values: 0x0-0xffff

TIM7

0x40001400: Basic timer

13/13 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR1
0x4 CR2
0xc DIER
0x10 SR
0x14 EGR
0x24 CNT
0x28 PSC
0x2c ARR

CR1

control register 1

Offset: 0x0, reset: 0x0000, access: read-write

5/5 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ARPE
rw 		OPM
rw 		URS
rw 		UDIS
rw 		CEN
rw
Toggle Fields

CEN

Bit 0: Counter enable.

Allowed values:
0: Disabled: Counter disabled
1: Enabled: Counter enabled

UDIS

Bit 1: Update disable.

Allowed values:
0: Enabled: Update event enabled
1: Disabled: Update event disabled

URS

Bit 2: Update request source.

Allowed values:
0: AnyEvent: Any of counter overflow/underflow, setting UG, or update through slave mode, generates an update interrupt or DMA request
1: CounterOnly: Only counter overflow/underflow generates an update interrupt or DMA request

OPM

Bit 3: One-pulse mode.

Allowed values:
0: Disabled: Counter is not stopped at update event
1: Enabled: Counter stops counting at the next update event (clearing the CEN bit)

ARPE

Bit 7: Auto-reload preload enable.

Allowed values:
0: Disabled: TIMx_APRR register is not buffered
1: Enabled: TIMx_APRR register is buffered

CR2

control register 2

Offset: 0x4, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MMS
rw
Toggle Fields

MMS

Bits 4-6: Master mode selection.

Allowed values:
0: Reset: Use UG bit from TIMx_EGR register
1: Enable: Use CNT bit from TIMx_CEN register
2: Update: Use the update event

DIER

DMA/Interrupt enable register

Offset: 0xc, reset: 0x0000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
UDE
rw 		UIE
rw
Toggle Fields

UIE

Bit 0: Update interrupt enable.

Allowed values:
0: Disabled: Update interrupt disabled
1: Enabled: Update interrupt enabled

UDE

Bit 8: Update DMA request enable.

Allowed values:
0: Disabled: Update DMA request disabled
1: Enabled: Update DMA request enabled

SR

status register

Offset: 0x10, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
UIF
rw
Toggle Fields

UIF

Bit 0: Update interrupt flag.

Allowed values:
0: Clear: No update occurred
1: UpdatePending: Update interrupt pending.

EGR

event generation register

Offset: 0x14, reset: 0x0000, access: write-only

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
UG
w
Toggle Fields

UG

Bit 0: Update generation.

Allowed values:
1: Update: Re-initializes the timer counter and generates an update of the registers.

CNT

counter

Offset: 0x24, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CNT
rw
Toggle Fields

CNT

Bits 0-15: Low counter value.

Allowed values: 0x0-0xffff

PSC

prescaler

Offset: 0x28, reset: 0x0000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PSC
rw
Toggle Fields

PSC

Bits 0-15: Prescaler value.

Allowed values: 0x0-0xffff

ARR

auto-reload register

Offset: 0x2c, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ARR
rw
Toggle Fields

ARR

Bits 0-15: Low Auto-reload value.

Allowed values: 0x0-0xffff

UART4

0x40004c00: Universal asynchronous receiver transmitter

34/37 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 SR
0x4 DR
0x8 BRR
0xc CR1
0x10 CR2
0x14 CR3

SR

Status register

Offset: 0x0, reset: 0x0, access: Unspecified

6/9 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LBD
rw 		TXE
r 		TC
rw 		RXNE
rw 		IDLE
r 		ORE
r 		NE
r 		FE
r 		PE
r
Toggle Fields

PE

Bit 0: Parity error.

FE

Bit 1: Framing error.

NE

Bit 2: Noise error flag.

ORE

Bit 3: Overrun error.

IDLE

Bit 4: IDLE line detected.

RXNE

Bit 5: Read data register not empty.

TC

Bit 6: Transmission complete.

TXE

Bit 7: Transmit data register empty.

LBD

Bit 8: LIN break detection flag.

DR

Data register

Offset: 0x4, reset: 0x0, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DR
rw
Toggle Fields

DR

Bits 0-8: DR.

Allowed values: 0x0-0x1ff

BRR

Baud rate register

Offset: 0x8, reset: 0x0, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DIV_Mantissa
rw 		DIV_Fraction
rw
Toggle Fields

DIV_Fraction

Bits 0-3: DIV_Fraction.

Allowed values: 0x0-0xf

DIV_Mantissa

Bits 4-15: DIV_Mantissa.

Allowed values: 0x0-0xfff

CR1

Control register 1

Offset: 0xc, reset: 0x0, access: read-write

14/14 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
UE
rw 		M
rw 		WAKE
rw 		PCE
rw 		PS
rw 		PEIE
rw 		TXEIE
rw 		TCIE
rw 		RXNEIE
rw 		IDLEIE
rw 		TE
rw 		RE
rw 		RWU
rw 		SBK
rw
Toggle Fields

SBK

Bit 0: Send break.

Allowed values:
0: NoBreak: No break character is transmitted
1: Break: Break character transmitted

RWU

Bit 1: Receiver wakeup.

Allowed values:
0: Active: Receiver in active mode
1: Mute: Receiver in mute mode

RE

Bit 2: Receiver enable.

Allowed values:
0: Disabled: Receiver disabled
1: Enabled: Receiver enabled

TE

Bit 3: Transmitter enable.

Allowed values:
0: Disabled: Transmitter disabled
1: Enabled: Transmitter enabled

IDLEIE

Bit 4: IDLE interrupt enable.

Allowed values:
0: Disabled: IDLE interrupt disabled
1: Enabled: IDLE interrupt enabled

RXNEIE

Bit 5: RXNE interrupt enable.

Allowed values:
0: Disabled: RXNE interrupt disabled
1: Enabled: RXNE interrupt enabled

TCIE

Bit 6: Transmission complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

TXEIE

Bit 7: TXE interrupt enable.

Allowed values:
0: Disabled: TXE interrupt disabled
1: Enabled: TXE interrupt enabled

PEIE

Bit 8: PE interrupt enable.

Allowed values:
0: Disabled: PE interrupt disabled
1: Enabled: PE interrupt enabled

PS

Bit 9: Parity selection.

Allowed values:
0: Even: Even parity
1: Odd: Odd parity

PCE

Bit 10: Parity control enable.

Allowed values:
0: Disabled: Parity control disabled
1: Enabled: Parity control enabled

WAKE

Bit 11: Wakeup method.

Allowed values:
0: IdleLine: USART wakeup on idle line
1: AddressMark: USART wakeup on address mark

M

Bit 12: Word length.

Allowed values:
0: M8: 8 data bits
1: M9: 9 data bits

UE

Bit 13: USART enable.

Allowed values:
0: Disabled: USART prescaler and outputs disabled
1: Enabled: USART enabled

CR2

Control register 2

Offset: 0x10, reset: 0x0, access: read-write

5/5 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LINEN
rw 		STOP
rw 		LBDIE
rw 		LBDL
rw 		ADD
rw
Toggle Fields

ADD

Bits 0-3: Address of the USART node.

Allowed values: 0x0-0xf

LBDL

Bit 5: lin break detection length.

Allowed values:
0: LBDL10: 10-bit break detection
1: LBDL11: 11-bit break detection

LBDIE

Bit 6: LIN break detection interrupt enable.

Allowed values:
0: Disabled: LIN break detection interrupt disabled
1: Enabled: LIN break detection interrupt enabled

STOP

Bits 12-13: STOP bits.

Allowed values:
0: Stop1: 1 stop bit
2: Stop2: 2 stop bits

LINEN

Bit 14: LIN mode enable.

Allowed values:
0: Disabled: LIN mode disabled
1: Enabled: LIN mode enabled

CR3

Control register 3

Offset: 0x14, reset: 0x0, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DMAT
rw 		DMAR
rw 		HDSEL
rw 		IRLP
rw 		IREN
rw 		EIE
rw
Toggle Fields

EIE

Bit 0: Error interrupt enable.

Allowed values:
0: Disabled: Error interrupt disabled
1: Enabled: Error interrupt enabled

IREN

Bit 1: IrDA mode enable.

Allowed values:
0: Disabled: IrDA disabled
1: Enabled: IrDA enabled

IRLP

Bit 2: IrDA low-power.

Allowed values:
0: Normal: Normal mode
1: LowPower: Low-power mode

HDSEL

Bit 3: Half-duplex selection.

Allowed values:
0: FullDuplex: Half duplex mode is not selected
1: HalfDuplex: Half duplex mode is selected

DMAR

Bit 6: DMA enable receiver.

Allowed values:
0: Disabled: DMA mode is disabled for reception
1: Enabled: DMA mode is enabled for reception

DMAT

Bit 7: DMA enable transmitter.

Allowed values:
0: Disabled: DMA mode is disabled for transmission
1: Enabled: DMA mode is enabled for transmission

UART5

0x40005000: Universal asynchronous receiver transmitter

34/37 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 SR
0x4 DR
0x8 BRR
0xc CR1
0x10 CR2
0x14 CR3

SR

Status register

Offset: 0x0, reset: 0x0, access: Unspecified

6/9 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LBD
rw 		TXE
r 		TC
rw 		RXNE
rw 		IDLE
r 		ORE
r 		NE
r 		FE
r 		PE
r
Toggle Fields

PE

Bit 0: Parity error.

FE

Bit 1: Framing error.

NE

Bit 2: Noise error flag.

ORE

Bit 3: Overrun error.

IDLE

Bit 4: IDLE line detected.

RXNE

Bit 5: Read data register not empty.

TC

Bit 6: Transmission complete.

TXE

Bit 7: Transmit data register empty.

LBD

Bit 8: LIN break detection flag.

DR

Data register

Offset: 0x4, reset: 0x0, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DR
rw
Toggle Fields

DR

Bits 0-8: DR.

Allowed values: 0x0-0x1ff

BRR

Baud rate register

Offset: 0x8, reset: 0x0, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DIV_Mantissa
rw 		DIV_Fraction
rw
Toggle Fields

DIV_Fraction

Bits 0-3: DIV_Fraction.

Allowed values: 0x0-0xf

DIV_Mantissa

Bits 4-15: DIV_Mantissa.

Allowed values: 0x0-0xfff

CR1

Control register 1

Offset: 0xc, reset: 0x0, access: read-write

14/14 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
UE
rw 		M
rw 		WAKE
rw 		PCE
rw 		PS
rw 		PEIE
rw 		TXEIE
rw 		TCIE
rw 		RXNEIE
rw 		IDLEIE
rw 		TE
rw 		RE
rw 		RWU
rw 		SBK
rw
Toggle Fields

SBK

Bit 0: Send break.

Allowed values:
0: NoBreak: No break character is transmitted
1: Break: Break character transmitted

RWU

Bit 1: Receiver wakeup.

Allowed values:
0: Active: Receiver in active mode
1: Mute: Receiver in mute mode

RE

Bit 2: Receiver enable.

Allowed values:
0: Disabled: Receiver disabled
1: Enabled: Receiver enabled

TE

Bit 3: Transmitter enable.

Allowed values:
0: Disabled: Transmitter disabled
1: Enabled: Transmitter enabled

IDLEIE

Bit 4: IDLE interrupt enable.

Allowed values:
0: Disabled: IDLE interrupt disabled
1: Enabled: IDLE interrupt enabled

RXNEIE

Bit 5: RXNE interrupt enable.

Allowed values:
0: Disabled: RXNE interrupt disabled
1: Enabled: RXNE interrupt enabled

TCIE

Bit 6: Transmission complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

TXEIE

Bit 7: TXE interrupt enable.

Allowed values:
0: Disabled: TXE interrupt disabled
1: Enabled: TXE interrupt enabled

PEIE

Bit 8: PE interrupt enable.

Allowed values:
0: Disabled: PE interrupt disabled
1: Enabled: PE interrupt enabled

PS

Bit 9: Parity selection.

Allowed values:
0: Even: Even parity
1: Odd: Odd parity

PCE

Bit 10: Parity control enable.

Allowed values:
0: Disabled: Parity control disabled
1: Enabled: Parity control enabled

WAKE

Bit 11: Wakeup method.

Allowed values:
0: IdleLine: USART wakeup on idle line
1: AddressMark: USART wakeup on address mark

M

Bit 12: Word length.

Allowed values:
0: M8: 8 data bits
1: M9: 9 data bits

UE

Bit 13: USART enable.

Allowed values:
0: Disabled: USART prescaler and outputs disabled
1: Enabled: USART enabled

CR2

Control register 2

Offset: 0x10, reset: 0x0, access: read-write

5/5 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LINEN
rw 		STOP
rw 		LBDIE
rw 		LBDL
rw 		ADD
rw
Toggle Fields

ADD

Bits 0-3: Address of the USART node.

Allowed values: 0x0-0xf

LBDL

Bit 5: lin break detection length.

Allowed values:
0: LBDL10: 10-bit break detection
1: LBDL11: 11-bit break detection

LBDIE

Bit 6: LIN break detection interrupt enable.

Allowed values:
0: Disabled: LIN break detection interrupt disabled
1: Enabled: LIN break detection interrupt enabled

STOP

Bits 12-13: STOP bits.

Allowed values:
0: Stop1: 1 stop bit
2: Stop2: 2 stop bits

LINEN

Bit 14: LIN mode enable.

Allowed values:
0: Disabled: LIN mode disabled
1: Enabled: LIN mode enabled

CR3

Control register 3

Offset: 0x14, reset: 0x0, access: read-write

6/6 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DMAT
rw 		DMAR
rw 		HDSEL
rw 		IRLP
rw 		IREN
rw 		EIE
rw
Toggle Fields

EIE

Bit 0: Error interrupt enable.

Allowed values:
0: Disabled: Error interrupt disabled
1: Enabled: Error interrupt enabled

IREN

Bit 1: IrDA mode enable.

Allowed values:
0: Disabled: IrDA disabled
1: Enabled: IrDA enabled

IRLP

Bit 2: IrDA low-power.

Allowed values:
0: Normal: Normal mode
1: LowPower: Low-power mode

HDSEL

Bit 3: Half-duplex selection.

Allowed values:
0: FullDuplex: Half duplex mode is not selected
1: HalfDuplex: Half duplex mode is selected

DMAR

Bit 6: DMA enable receiver.

Allowed values:
0: Disabled: DMA mode is disabled for reception
1: Enabled: DMA mode is enabled for reception

DMAT

Bit 7: DMA enable transmitter.

Allowed values:
0: Disabled: DMA mode is disabled for transmission
1: Enabled: DMA mode is enabled for transmission

USART1

0x40013800: Universal synchronous asynchronous receiver transmitter

42/49 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 SR
0x4 DR
0x8 BRR
0xc CR1
0x10 CR2
0x14 CR3
0x18 GTPR

SR

Status register

Offset: 0x0, reset: 0x00C0, access: Unspecified

6/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CTS
rw 		LBD
rw 		TXE
r 		TC
rw 		RXNE
rw 		IDLE
r 		ORE
r 		NE
r 		FE
r 		PE
r
Toggle Fields

PE

Bit 0: Parity error.

FE

Bit 1: Framing error.

NE

Bit 2: Noise error flag.

ORE

Bit 3: Overrun error.

IDLE

Bit 4: IDLE line detected.

RXNE

Bit 5: Read data register not empty.

TC

Bit 6: Transmission complete.

TXE

Bit 7: Transmit data register empty.

LBD

Bit 8: LIN break detection flag.

CTS

Bit 9: CTS flag.

DR

Data register

Offset: 0x4, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DR
rw
Toggle Fields

DR

Bits 0-8: Data value.

Allowed values: 0x0-0x1ff

BRR

Baud rate register

Offset: 0x8, reset: 0x0000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DIV_Mantissa
rw 		DIV_Fraction
rw
Toggle Fields

DIV_Fraction

Bits 0-3: fraction of USARTDIV.

Allowed values: 0x0-0xf

DIV_Mantissa

Bits 4-15: mantissa of USARTDIV.

Allowed values: 0x0-0xfff

CR1

Control register 1

Offset: 0xc, reset: 0x0000, access: read-write

14/14 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
UE
rw 		M
rw 		WAKE
rw 		PCE
rw 		PS
rw 		PEIE
rw 		TXEIE
rw 		TCIE
rw 		RXNEIE
rw 		IDLEIE
rw 		TE
rw 		RE
rw 		RWU
rw 		SBK
rw
Toggle Fields

SBK

Bit 0: Send break.

Allowed values:
0: NoBreak: No break character is transmitted
1: Break: Break character transmitted

RWU

Bit 1: Receiver wakeup.

Allowed values:
0: Active: Receiver in active mode
1: Mute: Receiver in mute mode

RE

Bit 2: Receiver enable.

Allowed values:
0: Disabled: Receiver disabled
1: Enabled: Receiver enabled

TE

Bit 3: Transmitter enable.

Allowed values:
0: Disabled: Transmitter disabled
1: Enabled: Transmitter enabled

IDLEIE

Bit 4: IDLE interrupt enable.

Allowed values:
0: Disabled: IDLE interrupt disabled
1: Enabled: IDLE interrupt enabled

RXNEIE

Bit 5: RXNE interrupt enable.

Allowed values:
0: Disabled: RXNE interrupt disabled
1: Enabled: RXNE interrupt enabled

TCIE

Bit 6: Transmission complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

TXEIE

Bit 7: TXE interrupt enable.

Allowed values:
0: Disabled: TXE interrupt disabled
1: Enabled: TXE interrupt enabled

PEIE

Bit 8: PE interrupt enable.

Allowed values:
0: Disabled: PE interrupt disabled
1: Enabled: PE interrupt enabled

PS

Bit 9: Parity selection.

Allowed values:
0: Even: Even parity
1: Odd: Odd parity

PCE

Bit 10: Parity control enable.

Allowed values:
0: Disabled: Parity control disabled
1: Enabled: Parity control enabled

WAKE

Bit 11: Wakeup method.

Allowed values:
0: IdleLine: USART wakeup on idle line
1: AddressMark: USART wakeup on address mark

M

Bit 12: Word length.

Allowed values:
0: M8: 8 data bits
1: M9: 9 data bits

UE

Bit 13: USART enable.

Allowed values:
0: Disabled: USART prescaler and outputs disabled
1: Enabled: USART enabled

CR2

Control register 2

Offset: 0x10, reset: 0x0000, access: read-write

8/9 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LINEN
rw 		STOP
rw 		CLKEN
rw 		CPOL
rw 		CPHA
rw 		LBCL
rw 		LBDIE
rw 		LBDL
rw 		ADD
rw
Toggle Fields

ADD

Bits 0-3: Address of the USART node.

Allowed values: 0x0-0xf

LBDL

Bit 5: lin break detection length.

Allowed values:
0: LBDL10: 10-bit break detection
1: LBDL11: 11-bit break detection

LBDIE

Bit 6: LIN break detection interrupt enable.

Allowed values:
0: Disabled: LIN break detection interrupt disabled
1: Enabled: LIN break detection interrupt enabled

LBCL

Bit 8: Last bit clock pulse.

CPHA

Bit 9: Clock phase.

Allowed values:
0: First: The first clock transition is the first data capture edge
1: Second: The second clock transition is the first data capture edge

CPOL

Bit 10: Clock polarity.

Allowed values:
0: Low: Steady low value on CK pin outside transmission window
1: High: Steady high value on CK pin outside transmission window

CLKEN

Bit 11: Clock enable.

Allowed values:
0: Disabled: CK pin disabled
1: Enabled: CK pin enabled

STOP

Bits 12-13: STOP bits.

Allowed values:
0: Stop1: 1 stop bit
1: Stop0p5: 0.5 stop bits
2: Stop2: 2 stop bits
3: Stop1p5: 1.5 stop bits

LINEN

Bit 14: LIN mode enable.

Allowed values:
0: Disabled: LIN mode disabled
1: Enabled: LIN mode enabled

CR3

Control register 3

Offset: 0x14, reset: 0x0000, access: read-write

11/11 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CTSIE
rw 		CTSE
rw 		RTSE
rw 		DMAT
rw 		DMAR
rw 		SCEN
rw 		NACK
rw 		HDSEL
rw 		IRLP
rw 		IREN
rw 		EIE
rw
Toggle Fields

EIE

Bit 0: Error interrupt enable.

Allowed values:
0: Disabled: Error interrupt disabled
1: Enabled: Error interrupt enabled

IREN

Bit 1: IrDA mode enable.

Allowed values:
0: Disabled: IrDA disabled
1: Enabled: IrDA enabled

IRLP

Bit 2: IrDA low-power.

Allowed values:
0: Normal: Normal mode
1: LowPower: Low-power mode

HDSEL

Bit 3: Half-duplex selection.

Allowed values:
0: FullDuplex: Half duplex mode is not selected
1: HalfDuplex: Half duplex mode is selected

NACK

Bit 4: Smartcard NACK enable.

Allowed values:
0: Disabled: NACK transmission in case of parity error is disabled
1: Enabled: NACK transmission during parity error is enabled

SCEN

Bit 5: Smartcard mode enable.

Allowed values:
0: Disabled: Smartcard mode disabled
1: Enabled: Smartcard mode enabled

DMAR

Bit 6: DMA enable receiver.

Allowed values:
0: Disabled: DMA mode is disabled for reception
1: Enabled: DMA mode is enabled for reception

DMAT

Bit 7: DMA enable transmitter.

Allowed values:
0: Disabled: DMA mode is disabled for transmission
1: Enabled: DMA mode is enabled for transmission

RTSE

Bit 8: RTS enable.

Allowed values:
0: Disabled: RTS hardware flow control disabled
1: Enabled: RTS hardware flow control enabled

CTSE

Bit 9: CTS enable.

Allowed values:
0: Disabled: CTS hardware flow control disabled
1: Enabled: CTS hardware flow control enabled

CTSIE

Bit 10: CTS interrupt enable.

Allowed values:
0: Disabled: CTS interrupt disabled
1: Enabled: CTS interrupt enabled

GTPR

Guard time and prescaler register

Offset: 0x18, reset: 0x0000, access: read-write

0/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
GT
rw 		PSC
rw
Toggle Fields

PSC

Bits 0-7: Prescaler value.

GT

Bits 8-15: Guard time value.

USART2

0x40004400: Universal synchronous asynchronous receiver transmitter

42/49 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 SR
0x4 DR
0x8 BRR
0xc CR1
0x10 CR2
0x14 CR3
0x18 GTPR

SR

Status register

Offset: 0x0, reset: 0x00C0, access: Unspecified

6/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CTS
rw 		LBD
rw 		TXE
r 		TC
rw 		RXNE
rw 		IDLE
r 		ORE
r 		NE
r 		FE
r 		PE
r
Toggle Fields

PE

Bit 0: Parity error.

FE

Bit 1: Framing error.

NE

Bit 2: Noise error flag.

ORE

Bit 3: Overrun error.

IDLE

Bit 4: IDLE line detected.

RXNE

Bit 5: Read data register not empty.

TC

Bit 6: Transmission complete.

TXE

Bit 7: Transmit data register empty.

LBD

Bit 8: LIN break detection flag.

CTS

Bit 9: CTS flag.

DR

Data register

Offset: 0x4, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DR
rw
Toggle Fields

DR

Bits 0-8: Data value.

Allowed values: 0x0-0x1ff

BRR

Baud rate register

Offset: 0x8, reset: 0x0000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DIV_Mantissa
rw 		DIV_Fraction
rw
Toggle Fields

DIV_Fraction

Bits 0-3: fraction of USARTDIV.

Allowed values: 0x0-0xf

DIV_Mantissa

Bits 4-15: mantissa of USARTDIV.

Allowed values: 0x0-0xfff

CR1

Control register 1

Offset: 0xc, reset: 0x0000, access: read-write

14/14 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
UE
rw 		M
rw 		WAKE
rw 		PCE
rw 		PS
rw 		PEIE
rw 		TXEIE
rw 		TCIE
rw 		RXNEIE
rw 		IDLEIE
rw 		TE
rw 		RE
rw 		RWU
rw 		SBK
rw
Toggle Fields

SBK

Bit 0: Send break.

Allowed values:
0: NoBreak: No break character is transmitted
1: Break: Break character transmitted

RWU

Bit 1: Receiver wakeup.

Allowed values:
0: Active: Receiver in active mode
1: Mute: Receiver in mute mode

RE

Bit 2: Receiver enable.

Allowed values:
0: Disabled: Receiver disabled
1: Enabled: Receiver enabled

TE

Bit 3: Transmitter enable.

Allowed values:
0: Disabled: Transmitter disabled
1: Enabled: Transmitter enabled

IDLEIE

Bit 4: IDLE interrupt enable.

Allowed values:
0: Disabled: IDLE interrupt disabled
1: Enabled: IDLE interrupt enabled

RXNEIE

Bit 5: RXNE interrupt enable.

Allowed values:
0: Disabled: RXNE interrupt disabled
1: Enabled: RXNE interrupt enabled

TCIE

Bit 6: Transmission complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

TXEIE

Bit 7: TXE interrupt enable.

Allowed values:
0: Disabled: TXE interrupt disabled
1: Enabled: TXE interrupt enabled

PEIE

Bit 8: PE interrupt enable.

Allowed values:
0: Disabled: PE interrupt disabled
1: Enabled: PE interrupt enabled

PS

Bit 9: Parity selection.

Allowed values:
0: Even: Even parity
1: Odd: Odd parity

PCE

Bit 10: Parity control enable.

Allowed values:
0: Disabled: Parity control disabled
1: Enabled: Parity control enabled

WAKE

Bit 11: Wakeup method.

Allowed values:
0: IdleLine: USART wakeup on idle line
1: AddressMark: USART wakeup on address mark

M

Bit 12: Word length.

Allowed values:
0: M8: 8 data bits
1: M9: 9 data bits

UE

Bit 13: USART enable.

Allowed values:
0: Disabled: USART prescaler and outputs disabled
1: Enabled: USART enabled

CR2

Control register 2

Offset: 0x10, reset: 0x0000, access: read-write

8/9 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LINEN
rw 		STOP
rw 		CLKEN
rw 		CPOL
rw 		CPHA
rw 		LBCL
rw 		LBDIE
rw 		LBDL
rw 		ADD
rw
Toggle Fields

ADD

Bits 0-3: Address of the USART node.

Allowed values: 0x0-0xf

LBDL

Bit 5: lin break detection length.

Allowed values:
0: LBDL10: 10-bit break detection
1: LBDL11: 11-bit break detection

LBDIE

Bit 6: LIN break detection interrupt enable.

Allowed values:
0: Disabled: LIN break detection interrupt disabled
1: Enabled: LIN break detection interrupt enabled

LBCL

Bit 8: Last bit clock pulse.

CPHA

Bit 9: Clock phase.

Allowed values:
0: First: The first clock transition is the first data capture edge
1: Second: The second clock transition is the first data capture edge

CPOL

Bit 10: Clock polarity.

Allowed values:
0: Low: Steady low value on CK pin outside transmission window
1: High: Steady high value on CK pin outside transmission window

CLKEN

Bit 11: Clock enable.

Allowed values:
0: Disabled: CK pin disabled
1: Enabled: CK pin enabled

STOP

Bits 12-13: STOP bits.

Allowed values:
0: Stop1: 1 stop bit
1: Stop0p5: 0.5 stop bits
2: Stop2: 2 stop bits
3: Stop1p5: 1.5 stop bits

LINEN

Bit 14: LIN mode enable.

Allowed values:
0: Disabled: LIN mode disabled
1: Enabled: LIN mode enabled

CR3

Control register 3

Offset: 0x14, reset: 0x0000, access: read-write

11/11 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CTSIE
rw 		CTSE
rw 		RTSE
rw 		DMAT
rw 		DMAR
rw 		SCEN
rw 		NACK
rw 		HDSEL
rw 		IRLP
rw 		IREN
rw 		EIE
rw
Toggle Fields

EIE

Bit 0: Error interrupt enable.

Allowed values:
0: Disabled: Error interrupt disabled
1: Enabled: Error interrupt enabled

IREN

Bit 1: IrDA mode enable.

Allowed values:
0: Disabled: IrDA disabled
1: Enabled: IrDA enabled

IRLP

Bit 2: IrDA low-power.

Allowed values:
0: Normal: Normal mode
1: LowPower: Low-power mode

HDSEL

Bit 3: Half-duplex selection.

Allowed values:
0: FullDuplex: Half duplex mode is not selected
1: HalfDuplex: Half duplex mode is selected

NACK

Bit 4: Smartcard NACK enable.

Allowed values:
0: Disabled: NACK transmission in case of parity error is disabled
1: Enabled: NACK transmission during parity error is enabled

SCEN

Bit 5: Smartcard mode enable.

Allowed values:
0: Disabled: Smartcard mode disabled
1: Enabled: Smartcard mode enabled

DMAR

Bit 6: DMA enable receiver.

Allowed values:
0: Disabled: DMA mode is disabled for reception
1: Enabled: DMA mode is enabled for reception

DMAT

Bit 7: DMA enable transmitter.

Allowed values:
0: Disabled: DMA mode is disabled for transmission
1: Enabled: DMA mode is enabled for transmission

RTSE

Bit 8: RTS enable.

Allowed values:
0: Disabled: RTS hardware flow control disabled
1: Enabled: RTS hardware flow control enabled

CTSE

Bit 9: CTS enable.

Allowed values:
0: Disabled: CTS hardware flow control disabled
1: Enabled: CTS hardware flow control enabled

CTSIE

Bit 10: CTS interrupt enable.

Allowed values:
0: Disabled: CTS interrupt disabled
1: Enabled: CTS interrupt enabled

GTPR

Guard time and prescaler register

Offset: 0x18, reset: 0x0000, access: read-write

0/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
GT
rw 		PSC
rw
Toggle Fields

PSC

Bits 0-7: Prescaler value.

GT

Bits 8-15: Guard time value.

USART3

0x40004800: Universal synchronous asynchronous receiver transmitter

42/49 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 SR
0x4 DR
0x8 BRR
0xc CR1
0x10 CR2
0x14 CR3
0x18 GTPR

SR

Status register

Offset: 0x0, reset: 0x00C0, access: Unspecified

6/10 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CTS
rw 		LBD
rw 		TXE
r 		TC
rw 		RXNE
rw 		IDLE
r 		ORE
r 		NE
r 		FE
r 		PE
r
Toggle Fields

PE

Bit 0: Parity error.

FE

Bit 1: Framing error.

NE

Bit 2: Noise error flag.

ORE

Bit 3: Overrun error.

IDLE

Bit 4: IDLE line detected.

RXNE

Bit 5: Read data register not empty.

TC

Bit 6: Transmission complete.

TXE

Bit 7: Transmit data register empty.

LBD

Bit 8: LIN break detection flag.

CTS

Bit 9: CTS flag.

DR

Data register

Offset: 0x4, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DR
rw
Toggle Fields

DR

Bits 0-8: Data value.

Allowed values: 0x0-0x1ff

BRR

Baud rate register

Offset: 0x8, reset: 0x0000, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DIV_Mantissa
rw 		DIV_Fraction
rw
Toggle Fields

DIV_Fraction

Bits 0-3: fraction of USARTDIV.

Allowed values: 0x0-0xf

DIV_Mantissa

Bits 4-15: mantissa of USARTDIV.

Allowed values: 0x0-0xfff

CR1

Control register 1

Offset: 0xc, reset: 0x0000, access: read-write

14/14 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
UE
rw 		M
rw 		WAKE
rw 		PCE
rw 		PS
rw 		PEIE
rw 		TXEIE
rw 		TCIE
rw 		RXNEIE
rw 		IDLEIE
rw 		TE
rw 		RE
rw 		RWU
rw 		SBK
rw
Toggle Fields

SBK

Bit 0: Send break.

Allowed values:
0: NoBreak: No break character is transmitted
1: Break: Break character transmitted

RWU

Bit 1: Receiver wakeup.

Allowed values:
0: Active: Receiver in active mode
1: Mute: Receiver in mute mode

RE

Bit 2: Receiver enable.

Allowed values:
0: Disabled: Receiver disabled
1: Enabled: Receiver enabled

TE

Bit 3: Transmitter enable.

Allowed values:
0: Disabled: Transmitter disabled
1: Enabled: Transmitter enabled

IDLEIE

Bit 4: IDLE interrupt enable.

Allowed values:
0: Disabled: IDLE interrupt disabled
1: Enabled: IDLE interrupt enabled

RXNEIE

Bit 5: RXNE interrupt enable.

Allowed values:
0: Disabled: RXNE interrupt disabled
1: Enabled: RXNE interrupt enabled

TCIE

Bit 6: Transmission complete interrupt enable.

Allowed values:
0: Disabled: TC interrupt disabled
1: Enabled: TC interrupt enabled

TXEIE

Bit 7: TXE interrupt enable.

Allowed values:
0: Disabled: TXE interrupt disabled
1: Enabled: TXE interrupt enabled

PEIE

Bit 8: PE interrupt enable.

Allowed values:
0: Disabled: PE interrupt disabled
1: Enabled: PE interrupt enabled

PS

Bit 9: Parity selection.

Allowed values:
0: Even: Even parity
1: Odd: Odd parity

PCE

Bit 10: Parity control enable.

Allowed values:
0: Disabled: Parity control disabled
1: Enabled: Parity control enabled

WAKE

Bit 11: Wakeup method.

Allowed values:
0: IdleLine: USART wakeup on idle line
1: AddressMark: USART wakeup on address mark

M

Bit 12: Word length.

Allowed values:
0: M8: 8 data bits
1: M9: 9 data bits

UE

Bit 13: USART enable.

Allowed values:
0: Disabled: USART prescaler and outputs disabled
1: Enabled: USART enabled

CR2

Control register 2

Offset: 0x10, reset: 0x0000, access: read-write

8/9 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LINEN
rw 		STOP
rw 		CLKEN
rw 		CPOL
rw 		CPHA
rw 		LBCL
rw 		LBDIE
rw 		LBDL
rw 		ADD
rw
Toggle Fields

ADD

Bits 0-3: Address of the USART node.

Allowed values: 0x0-0xf

LBDL

Bit 5: lin break detection length.

Allowed values:
0: LBDL10: 10-bit break detection
1: LBDL11: 11-bit break detection

LBDIE

Bit 6: LIN break detection interrupt enable.

Allowed values:
0: Disabled: LIN break detection interrupt disabled
1: Enabled: LIN break detection interrupt enabled

LBCL

Bit 8: Last bit clock pulse.

CPHA

Bit 9: Clock phase.

Allowed values:
0: First: The first clock transition is the first data capture edge
1: Second: The second clock transition is the first data capture edge

CPOL

Bit 10: Clock polarity.

Allowed values:
0: Low: Steady low value on CK pin outside transmission window
1: High: Steady high value on CK pin outside transmission window

CLKEN

Bit 11: Clock enable.

Allowed values:
0: Disabled: CK pin disabled
1: Enabled: CK pin enabled

STOP

Bits 12-13: STOP bits.

Allowed values:
0: Stop1: 1 stop bit
1: Stop0p5: 0.5 stop bits
2: Stop2: 2 stop bits
3: Stop1p5: 1.5 stop bits

LINEN

Bit 14: LIN mode enable.

Allowed values:
0: Disabled: LIN mode disabled
1: Enabled: LIN mode enabled

CR3

Control register 3

Offset: 0x14, reset: 0x0000, access: read-write

11/11 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CTSIE
rw 		CTSE
rw 		RTSE
rw 		DMAT
rw 		DMAR
rw 		SCEN
rw 		NACK
rw 		HDSEL
rw 		IRLP
rw 		IREN
rw 		EIE
rw
Toggle Fields

EIE

Bit 0: Error interrupt enable.

Allowed values:
0: Disabled: Error interrupt disabled
1: Enabled: Error interrupt enabled

IREN

Bit 1: IrDA mode enable.

Allowed values:
0: Disabled: IrDA disabled
1: Enabled: IrDA enabled

IRLP

Bit 2: IrDA low-power.

Allowed values:
0: Normal: Normal mode
1: LowPower: Low-power mode

HDSEL

Bit 3: Half-duplex selection.

Allowed values:
0: FullDuplex: Half duplex mode is not selected
1: HalfDuplex: Half duplex mode is selected

NACK

Bit 4: Smartcard NACK enable.

Allowed values:
0: Disabled: NACK transmission in case of parity error is disabled
1: Enabled: NACK transmission during parity error is enabled

SCEN

Bit 5: Smartcard mode enable.

Allowed values:
0: Disabled: Smartcard mode disabled
1: Enabled: Smartcard mode enabled

DMAR

Bit 6: DMA enable receiver.

Allowed values:
0: Disabled: DMA mode is disabled for reception
1: Enabled: DMA mode is enabled for reception

DMAT

Bit 7: DMA enable transmitter.

Allowed values:
0: Disabled: DMA mode is disabled for transmission
1: Enabled: DMA mode is enabled for transmission

RTSE

Bit 8: RTS enable.

Allowed values:
0: Disabled: RTS hardware flow control disabled
1: Enabled: RTS hardware flow control enabled

CTSE

Bit 9: CTS enable.

Allowed values:
0: Disabled: CTS hardware flow control disabled
1: Enabled: CTS hardware flow control enabled

CTSIE

Bit 10: CTS interrupt enable.

Allowed values:
0: Disabled: CTS interrupt disabled
1: Enabled: CTS interrupt enabled

GTPR

Guard time and prescaler register

Offset: 0x18, reset: 0x0000, access: read-write

0/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
GT
rw 		PSC
rw
Toggle Fields

PSC

Bits 0-7: Prescaler value.

GT

Bits 8-15: Guard time value.

WWDG

0x40002c00: Window watchdog

6/6 fields covered. Toggle Registers

Show register map

Offset Name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x0 CR
0x4 CFR
0x8 SR

CR

Control register (WWDG_CR)

Offset: 0x0, reset: 0x0000007F, access: read-write

2/2 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
WDGA
rw 		T
rw
Toggle Fields

T

Bits 0-6: 7-bit counter (MSB to LSB).

Allowed values: 0x0-0x7f

WDGA

Bit 7: Activation bit.

Allowed values:
0: Disabled: Watchdog disabled
1: Enabled: Watchdog enabled

CFR

Configuration register (WWDG_CFR)

Offset: 0x4, reset: 0x0000007F, access: read-write

3/3 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
EWI
rw 		WDGTB
rw 		W
rw
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W

Bits 0-6: 7-bit window value.

Allowed values: 0x0-0x7f

WDGTB

Bits 7-8: Timer Base.

Allowed values:
0: Div1: Counter clock (PCLK1 div 4096) div 1
1: Div2: Counter clock (PCLK1 div 4096) div 2
2: Div4: Counter clock (PCLK1 div 4096) div 4
3: Div8: Counter clock (PCLK1 div 4096) div 8

EWI

Bit 9: Early Wakeup Interrupt.

Allowed values:
1: Enable: interrupt occurs whenever the counter reaches the value 0x40

SR

Status register (WWDG_SR)

Offset: 0x8, reset: 0x00000000, access: read-write

1/1 fields covered.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
EWIF
rw
Toggle Fields

EWIF

Bit 0: Early Wakeup Interrupt.

Allowed values:
1: Pending: The EWI Interrupt Service Routine has been triggered
0: Finished: The EWI Interrupt Service Routine has been serviced